13137340 has 24 divisors (see below), whose sum is σ = 27708912. Its totient is φ = 5232000.

The previous prime is 13137337. The next prime is 13137349. The reversal of 13137340 is 4373131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13137349) 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, 3712 + ... + 6328.

It is an arithmetic number, because the mean of its divisors is an integer number (1154538).

Almost surely, 2^13137340 is an apocalyptic number.

13137340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13137340 is an abundant number, since it is smaller than the sum of its proper divisors (14571572).

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

13137340 is a wasteful number, since it uses less digits than its factorization.

13137340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13137340 is about 3624.5468682306. The cubic root of 13137340 is about 235.9586013757.

The spelling of 13137340 in words is "thirteen million, one hundred thirty-seven thousand, three hundred forty".