12631464 has 80 divisors (see below), whose sum is σ = 35915220. Its totient is φ = 4147200.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631464 is 46413621.

It can be written as a sum of positive squares in 2 ways, for example, as 12320100 + 311364 = 3510^2 + 558^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65352 + ... + 65544.

Almost surely, 2^12631464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17957610).

12631464 is an abundant number, since it is smaller than the sum of its proper divisors (23283756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12631464 is a wasteful number, since it uses less digits than its factorization.

12631464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12631464 is about 3554.0770953934. The cubic root of 12631464 is about 232.8902084243.

The spelling of 12631464 in words is "twelve million, six hundred thirty-one thousand, four hundred sixty-four".