12956351 has 2 divisors, whose sum is σ = 12956352. Its totient is φ = 12956350.

The previous prime is 12956311. The next prime is 12956389. The reversal of 12956351 is 15365921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12956351 - 2¹⁴ = 12939967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12956311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6478175 + 6478176.

It is an arithmetic number, because the mean of its divisors is an integer number (6478176).

Almost surely, 2^12956351 is an apocalyptic number.

12956351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12956351 is an equidigital number, since it uses as much as digits as its factorization.

12956351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 12956351 is about 3599.4931587656. The cubic root of 12956351 is about 234.8700111045.

The spelling of 12956351 in words is "twelve million, nine hundred fifty-six thousand, three hundred fifty-one".