12951541 has 2 divisors, whose sum is σ = 12951542. Its totient is φ = 12951540.

The previous prime is 12951511. The next prime is 12951563. The reversal of 12951541 is 14515921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 4708900 = 2871^2 + 2170^2 .

It is a cyclic number.

It is not a de Polignac number, because 12951541 - 2²³ = 4562933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12951511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475770 + 6475771.

It is an arithmetic number, because the mean of its divisors is an integer number (6475771).

Almost surely, 2^12951541 is an apocalyptic number.

It is an amenable number.

12951541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951541 is an equidigital number, since it uses as much as digits as its factorization.

12951541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 12951541 is about 3598.8249471182. The cubic root of 12951541 is about 234.8409426169.

The spelling of 12951541 in words is "twelve million, nine hundred fifty-one thousand, five hundred forty-one".