13087072 has 12 divisors (see below), whose sum is σ = 25765236. Its totient is φ = 6543520.

The previous prime is 13087051. The next prime is 13087073. The reversal of 13087072 is 27078031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13087072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204454 + ... + 204517.

It is an arithmetic number, because the mean of its divisors is an integer number (2147103).

Almost surely, 2^13087072 is an apocalyptic number.

It is an amenable number.

13087072 is a deficient number, since it is larger than the sum of its proper divisors (12678164).

13087072 is an equidigital number, since it uses as much as digits as its factorization.

13087072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408981 (or 408973 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 13087072 is about 3617.6058381200. The cubic root of 13087072 is about 235.6572636741.

The spelling of 13087072 in words is "thirteen million, eighty-seven thousand, seventy-two".