12887937 has 16 divisors (see below), whose sum is σ = 19198080. Its totient is φ = 8544816.

The previous prime is 12887933. The next prime is 12887993. The reversal of 12887937 is 73978821.

It is not a de Polignac number, because 12887937 - 2² = 12887933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12887892 and 12887901.

It is not an unprimeable number, because it can be changed into a prime (12887933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4108 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (1199880).

Almost surely, 2^12887937 is an apocalyptic number.

It is an amenable number.

12887937 is a deficient number, since it is larger than the sum of its proper divisors (6310143).

12887937 is a wasteful number, since it uses less digits than its factorization.

12887937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629 (or 2623 counting only the distinct ones).

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

The square root of 12887937 is about 3589.9772979784. The cubic root of 12887937 is about 234.4558831239.

It can be divided in two parts, 12887 and 937, that added together give a cube (13824 = 24³).

The spelling of 12887937 in words is "twelve million, eight hundred eighty-seven thousand, nine hundred thirty-seven".