12951513 has 12 divisors (see below), whose sum is σ = 18742308. Its totient is φ = 8618400.

The previous prime is 12951511. The next prime is 12951541. The reversal of 12951513 is 31515921.

It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 8838729 = 2028^2 + 2973^2 .

It is not a de Polignac number, because 12951513 - 2¹ = 12951511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12951511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5863 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (1561859).

Almost surely, 2^12951513 is an apocalyptic number.

It is an amenable number.

12951513 is a deficient number, since it is larger than the sum of its proper divisors (5790795).

12951513 is a wasteful number, since it uses less digits than its factorization.

12951513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2661 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 12951513 is about 3598.8210569574. The cubic root of 12951513 is about 234.8407733822.

The spelling of 12951513 in words is "twelve million, nine hundred fifty-one thousand, five hundred thirteen".