12497951 has 2 divisors, whose sum is σ = 12497952. Its totient is φ = 12497950.

The previous prime is 12497909. The next prime is 12497987. The reversal of 12497951 is 15979421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12497951 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12497651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248975 + 6248976.

It is an arithmetic number, because the mean of its divisors is an integer number (6248976).

Almost surely, 2^12497951 is an apocalyptic number.

12497951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12497951 is an equidigital number, since it uses as much as digits as its factorization.

12497951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 12497951 is about 3535.2441216980. The cubic root of 12497951 is about 232.0667601670.

The spelling of 12497951 in words is "twelve million, four hundred ninety-seven thousand, nine hundred fifty-one".