12951087 has 16 divisors (see below), whose sum is σ = 17958912. Its totient is φ = 8292960.

The previous prime is 12951083. The next prime is 12951089. The reversal of 12951087 is 78015921.

It is not a de Polignac number, because 12951087 - 2² = 12951083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951083) 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, 14158 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (1122432).

Almost surely, 2^12951087 is an apocalyptic number.

12951087 is a deficient number, since it is larger than the sum of its proper divisors (5007825).

12951087 is a wasteful number, since it uses less digits than its factorization.

12951087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12951087 is about 3598.7618704215. The cubic root of 12951087 is about 234.8381985667.

The spelling of 12951087 in words is "twelve million, nine hundred fifty-one thousand, eighty-seven".