13116340 has 24 divisors (see below), whose sum is σ = 27832392. Its totient is φ = 5191680.

The previous prime is 13116331. The next prime is 13116343. The reversal of 13116340 is 4361131.

It can be written as a sum of positive squares in 4 ways, for example, as 2540836 + 10575504 = 1594^2 + 3252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (1159683).

Almost surely, 2^13116340 is an apocalyptic number.

13116340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13116340 is an abundant number, since it is smaller than the sum of its proper divisors (14716052).

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

13116340 is a wasteful number, since it uses less digits than its factorization.

13116340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13116340 is about 3621.6487957835. The cubic root of 13116340 is about 235.8328079444.

Adding to 13116340 its reverse (4361131), we get a palindrome (17477471).

It can be divided in two parts, 13116 and 340, that added together give a square (13456 = 116²).

The spelling of 13116340 in words is "thirteen million, one hundred sixteen thousand, three hundred forty".