12912953 has 2 divisors, whose sum is σ = 12912954. Its totient is φ = 12912952.

The previous prime is 12912947. The next prime is 12912967. The reversal of 12912953 is 35921921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 182329 = 3568^2 + 427^2 .

12912953 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 12912953 - 2¹⁸ = 12650809 is a prime.

It is not a weakly prime, because it can be changed into another prime (12912353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456476 + 6456477.

It is an arithmetic number, because the mean of its divisors is an integer number (6456477).

Almost surely, 2^12912953 is an apocalyptic number.

It is an amenable number.

12912953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912953 is an equidigital number, since it uses as much as digits as its factorization.

12912953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The square root of 12912953 is about 3593.4597534966. The cubic root of 12912953 is about 234.6074811552.

The spelling of 12912953 in words is "twelve million, nine hundred twelve thousand, nine hundred fifty-three".