12951307 has 2 divisors, whose sum is σ = 12951308. Its totient is φ = 12951306.

The previous prime is 12951287. The next prime is 12951317. The reversal of 12951307 is 70315921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12951307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12951317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475653 + 6475654.

It is an arithmetic number, because the mean of its divisors is an integer number (6475654).

Almost surely, 2^12951307 is an apocalyptic number.

12951307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951307 is an equidigital number, since it uses as much as digits as its factorization.

12951307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12951307 is about 3598.7924363597. The cubic root of 12951307 is about 234.8395282907.

The spelling of 12951307 in words is "twelve million, nine hundred fifty-one thousand, three hundred seven".