12495457 has 4 divisors (see below), whose sum is σ = 13456660. Its totient is φ = 11534256.

The previous prime is 12495421. The next prime is 12495487. The reversal of 12495457 is 75459421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 11128896 = 1169^2 + 3336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12495457 is a prime.

It is a super-2 number, since 2×12495457² = 312272891277698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12495487) 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 in 3 ways as a sum of consecutive naturals, for example, 480582 + ... + 480607.

It is an arithmetic number, because the mean of its divisors is an integer number (3364165).

Almost surely, 2^12495457 is an apocalyptic number.

It is an amenable number.

12495457 is a deficient number, since it is larger than the sum of its proper divisors (961203).

12495457 is an equidigital number, since it uses as much as digits as its factorization.

12495457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961202.

The product of its digits is 50400, while the sum is 37.

The square root of 12495457 is about 3534.8913703253. The cubic root of 12495457 is about 232.0513226231.

The spelling of 12495457 in words is "twelve million, four hundred ninety-five thousand, four hundred fifty-seven".