12912701 has 2 divisors, whose sum is σ = 12912702. Its totient is φ = 12912700.

The previous prime is 12912689. The next prime is 12912703. The reversal of 12912701 is 10721921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 3147076 = 3125^2 + 1774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12912701 is a prime.

Together with 12912703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12912703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456350 + 6456351.

It is an arithmetic number, because the mean of its divisors is an integer number (6456351).

Almost surely, 2^12912701 is an apocalyptic number.

It is an amenable number.

12912701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912701 is an equidigital number, since it uses as much as digits as its factorization.

12912701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12912701 is about 3593.4246896241. The cubic root of 12912701 is about 234.6059550011.

The spelling of 12912701 in words is "twelve million, nine hundred twelve thousand, seven hundred one".