13087372 has 6 divisors (see below), whose sum is σ = 22902908. Its totient is φ = 6543684.

The previous prime is 13087369. The next prime is 13087379. The reversal of 13087372 is 27378031.

13087372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13087379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635918 + ... + 1635925.

Almost surely, 2^13087372 is an apocalyptic number.

It is an amenable number.

13087372 is a deficient number, since it is larger than the sum of its proper divisors (9815536).

13087372 is a wasteful number, since it uses less digits than its factorization.

13087372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271847 (or 3271845 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 13087372 is about 3617.6473017695. The cubic root of 13087372 is about 235.6590643478.

The spelling of 13087372 in words is "thirteen million, eighty-seven thousand, three hundred seventy-two".