12799913 has 16 divisors (see below), whose sum is σ = 15165696. Its totient is φ = 10575360.

The previous prime is 12799909. The next prime is 12799921. The reversal of 12799913 is 31999721.

It is a cyclic number.

It is not a de Polignac number, because 12799913 - 2² = 12799909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (12799973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29345 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (947856).

Almost surely, 2^12799913 is an apocalyptic number.

It is an amenable number.

12799913 is a deficient number, since it is larger than the sum of its proper divisors (2365783).

12799913 is a wasteful number, since it uses less digits than its factorization.

12799913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 30618, while the sum is 41.

The square root of 12799913 is about 3577.6966053594. The cubic root of 12799913 is about 233.9208890776.

The spelling of 12799913 in words is "twelve million, seven hundred ninety-nine thousand, nine hundred thirteen".