12911053 has 2 divisors, whose sum is σ = 12911054. Its totient is φ = 12911052.

The previous prime is 12911047. The next prime is 12911057. The reversal of 12911053 is 35011921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8838729 + 4072324 = 2973^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12911053 - 2⁵ = 12911021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12911057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455526 + 6455527.

It is an arithmetic number, because the mean of its divisors is an integer number (6455527).

Almost surely, 2^12911053 is an apocalyptic number.

It is an amenable number.

12911053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12911053 is an equidigital number, since it uses as much as digits as its factorization.

12911053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12911053 is about 3593.1953745935. The cubic root of 12911053 is about 234.5959739480.

Adding to 12911053 its reverse (35011921), we get a palindrome (47922974).

The spelling of 12911053 in words is "twelve million, nine hundred eleven thousand, fifty-three".