12700913 has 2 divisors, whose sum is σ = 12700914. Its totient is φ = 12700912.

The previous prime is 12700903. The next prime is 12700937. The reversal of 12700913 is 31900721.

12700913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 1364224 = 3367^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 12700913 - 2¹⁶ = 12635377 is a prime.

It is a super-2 number, since 2×12700913² = 322626382067138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12700903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350456 + 6350457.

It is an arithmetic number, because the mean of its divisors is an integer number (6350457).

Almost surely, 2^12700913 is an apocalyptic number.

It is an amenable number.

12700913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12700913 is an equidigital number, since it uses as much as digits as its factorization.

12700913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12700913 is about 3563.8340309279. The cubic root of 12700913 is about 233.3162461410.

The spelling of 12700913 in words is "twelve million, seven hundred thousand, nine hundred thirteen".