12951575 has 24 divisors (see below), whose sum is σ = 19769568. Its totient is φ = 8196480.

The previous prime is 12951563. The next prime is 12951593. The reversal of 12951575 is 57515921.

It is not a de Polignac number, because 12951575 - 2⁶ = 12951511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (823732).

Almost surely, 2^12951575 is an apocalyptic number.

12951575 is a deficient number, since it is larger than the sum of its proper divisors (6817993).

12951575 is a wasteful number, since it uses less digits than its factorization.

12951575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723 (or 5718 counting only the distinct ones).

The product of its digits is 15750, while the sum is 35.

The square root of 12951575 is about 3598.8296708791. The cubic root of 12951575 is about 234.8411481159.

The spelling of 12951575 in words is "twelve million, nine hundred fifty-one thousand, five hundred seventy-five".