12937887 has 20 divisors (see below), whose sum is σ = 19444216. Its totient is φ = 8573040.

The previous prime is 12937877. The next prime is 12937913. The reversal of 12937887 is 78873921.

It is not a de Polignac number, because 12937887 - 2⁶ = 12937823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937817) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16713 + ... + 17469.

Almost surely, 2^12937887 is an apocalyptic number.

12937887 is a deficient number, since it is larger than the sum of its proper divisors (6506329).

12937887 is an equidigital number, since it uses as much as digits as its factorization.

12937887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 971 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 12937887 is about 3596.9274388011. The cubic root of 12937887 is about 234.7583875577.

It can be divided in two parts, 12937 and 887, that added together give a cube (13824 = 24³).

The spelling of 12937887 in words is "twelve million, nine hundred thirty-seven thousand, eight hundred eighty-seven".