12642465 has 32 divisors (see below), whose sum is σ = 22237056. Its totient is φ = 6082560.

The previous prime is 12642457. The next prime is 12642491. The reversal of 12642465 is 56424621.

It is not a de Polignac number, because 12642465 - 2³ = 12642457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31647 + ... + 32043.

It is an arithmetic number, because the mean of its divisors is an integer number (694908).

Almost surely, 2^12642465 is an apocalyptic number.

12642465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12642465 is a deficient number, since it is larger than the sum of its proper divisors (9594591).

12642465 is a wasteful number, since it uses less digits than its factorization.

12642465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 11520, while the sum is 30.

The square root of 12642465 is about 3555.6244177359. The cubic root of 12642465 is about 232.9577984194.

The spelling of 12642465 in words is "twelve million, six hundred forty-two thousand, four hundred sixty-five".