12499465 has 32 divisors (see below), whose sum is σ = 17563392. Its totient is φ = 8448000.

The previous prime is 12499447. The next prime is 12499481. The reversal of 12499465 is 56499421.

It is not a de Polignac number, because 12499465 - 2⁹ = 12498953 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 51745 + ... + 51985.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 2^12499465 is an apocalyptic number.

It is an amenable number.

12499465 is a deficient number, since it is larger than the sum of its proper divisors (5063927).

12499465 is a wasteful number, since it uses less digits than its factorization.

12499465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 77760, while the sum is 40.

The square root of 12499465 is about 3535.4582446976. The cubic root of 12499465 is about 232.0761306334.

The spelling of 12499465 in words is "twelve million, four hundred ninety-nine thousand, four hundred sixty-five".