12641051 has 2 divisors, whose sum is σ = 12641052. Its totient is φ = 12641050.

The previous prime is 12641021. The next prime is 12641063. The reversal of 12641051 is 15014621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12641051 - 2²² = 8446747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12641021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320525 + 6320526.

It is an arithmetic number, because the mean of its divisors is an integer number (6320526).

Almost surely, 2^12641051 is an apocalyptic number.

12641051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641051 is an equidigital number, since it uses as much as digits as its factorization.

12641051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12641051 is about 3555.4255722768. The cubic root of 12641051 is about 232.9491130191.

Adding to 12641051 its reverse (15014621), we get a palindrome (27655672).

The spelling of 12641051 in words is "twelve million, six hundred forty-one thousand, fifty-one".