13304137 has 12 divisors (see below), whose sum is σ = 16883856. Its totient is φ = 10366440.

The previous prime is 13304129. The next prime is 13304141. The reversal of 13304137 is 73140331.

It is a happy number.

It is not a de Polignac number, because 13304137 - 2³ = 13304129 is a prime.

It is a super-2 number, since 2×13304137² = 354000122629538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13304147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11803 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (1406988).

Almost surely, 2^13304137 is an apocalyptic number.

It is an amenable number.

13304137 is a deficient number, since it is larger than the sum of its proper divisors (3579719).

13304137 is a wasteful number, since it uses less digits than its factorization.

13304137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24708 (or 24701 counting only the distinct ones).

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

The square root of 13304137 is about 3647.4836531505. The cubic root of 13304137 is about 236.9530134083.

Adding to 13304137 its reverse (73140331), we get a palindrome (86444468).

The spelling of 13304137 in words is "thirteen million, three hundred four thousand, one hundred thirty-seven".