12495761 has 2 divisors, whose sum is σ = 12495762. Its totient is φ = 12495760.

The previous prime is 12495737. The next prime is 12495767. The reversal of 12495761 is 16759421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6345361 + 6150400 = 2519^2 + 2480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12495761 is a prime.

It is a super-2 number, since 2×12495761² = 312288085938242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12495767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247880 + 6247881.

It is an arithmetic number, because the mean of its divisors is an integer number (6247881).

Almost surely, 2^12495761 is an apocalyptic number.

It is an amenable number.

12495761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12495761 is an equidigital number, since it uses as much as digits as its factorization.

12495761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 12495761 is about 3534.9343699707. The cubic root of 12495761 is about 232.0532044545.

The spelling of 12495761 in words is "twelve million, four hundred ninety-five thousand, seven hundred sixty-one".