12906513 has 32 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 8236800.

The previous prime is 12906511. The next prime is 12906527. The reversal of 12906513 is 31560921.

12906513 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 651 + 3 = 666.

It is not a de Polignac number, because 12906513 - 2¹ = 12906511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12906511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98458 + ... + 98588.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^12906513 is an apocalyptic number.

It is an amenable number.

12906513 is a deficient number, since it is larger than the sum of its proper divisors (7051887).

12906513 is a wasteful number, since it uses less digits than its factorization.

12906513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12906513 is about 3592.5635693749. The cubic root of 12906513 is about 234.5684732067.

The spelling of 12906513 in words is "twelve million, nine hundred six thousand, five hundred thirteen".