12495965 has 4 divisors (see below), whose sum is σ = 14995164. Its totient is φ = 9996768.

The previous prime is 12495953. The next prime is 12495971. The reversal of 12495965 is 56959421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56959421 = 61 ⋅933761.

It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 10719076 = 1333^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12495965 - 2⁴ = 12495949 is a prime.

It is a super-2 number, since 2×12495965² = 312298282562450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249592 + ... + 1249601.

It is an arithmetic number, because the mean of its divisors is an integer number (3748791).

Almost surely, 2^12495965 is an apocalyptic number.

It is an amenable number.

12495965 is a deficient number, since it is larger than the sum of its proper divisors (2499199).

12495965 is an equidigital number, since it uses as much as digits as its factorization.

12495965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499198.

The product of its digits is 97200, while the sum is 41.

The square root of 12495965 is about 3534.9632247026. The cubic root of 12495965 is about 232.0544672453.

The spelling of 12495965 in words is "twelve million, four hundred ninety-five thousand, nine hundred sixty-five".