13351140 has 108 divisors (see below), whose sum is σ = 44587452. Its totient is φ = 3231360.

The previous prime is 13351099. The next prime is 13351181. The reversal of 13351140 is 4115331.

It is an interprime number because it is at equal distance from previous prime (13351099) and next prime (13351181).

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 11778624 = 1254^2 + 3432^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21474 + ... + 22086.

Almost surely, 2^13351140 is an apocalyptic number.

13351140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13351140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22293726).

13351140 is an abundant number, since it is smaller than the sum of its proper divisors (31236312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13351140 is a wasteful number, since it uses less digits than its factorization.

13351140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13351140 is about 3653.9211814159. The cubic root of 13351140 is about 237.2317340311.

Adding to 13351140 its reverse (4115331), we get a palindrome (17466471).

It can be divided in two parts, 13 and 351140, that added together give a palindrome (351153).

The spelling of 13351140 in words is "thirteen million, three hundred fifty-one thousand, one hundred forty".