12632456 has 8 divisors (see below), whose sum is σ = 23685870. Its totient is φ = 6316224.

The previous prime is 12632443. The next prime is 12632467. The reversal of 12632456 is 65423621.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 5924356 = 2590^2 + 2434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789521 + ... + 789536.

Almost surely, 2^12632456 is an apocalyptic number.

It is an amenable number.

12632456 is a deficient number, since it is larger than the sum of its proper divisors (11053414).

12632456 is a wasteful number, since it uses less digits than its factorization.

12632456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579063 (or 1579059 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 12632456 is about 3554.2166506841. The cubic root of 12632456 is about 232.8963048683.

The spelling of 12632456 in words is "twelve million, six hundred thirty-two thousand, four hundred fifty-six".