13349240 has 32 divisors (see below), whose sum is σ = 30533760. Its totient is φ = 5251200.

The previous prime is 13349227. The next prime is 13349243. The reversal of 13349240 is 4294331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13349243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 296 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (954180).

Almost surely, 2^13349240 is an apocalyptic number.

13349240 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 13349240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15266880).

13349240 is an abundant number, since it is smaller than the sum of its proper divisors (17184520).

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

13349240 is a wasteful number, since it uses less digits than its factorization.

13349240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13349240 is about 3653.6611775040. The cubic root of 13349240 is about 237.2204800189.

The spelling of 13349240 in words is "thirteen million, three hundred forty-nine thousand, two hundred forty".