12631632 has 80 divisors (see below), whose sum is σ = 36331008. Its totient is φ = 3755520.

The previous prime is 12631621. The next prime is 12631639. The reversal of 12631632 is 23613621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19018 + ... + 19670.

Almost surely, 2^12631632 is an apocalyptic number.

12631632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18165504).

12631632 is an abundant number, since it is smaller than the sum of its proper divisors (23699376).

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

12631632 is a wasteful number, since it uses less digits than its factorization.

12631632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 702 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 12631632 is about 3554.1007301426. The cubic root of 12631632 is about 232.8912409091.

The spelling of 12631632 in words is "twelve million, six hundred thirty-one thousand, six hundred thirty-two".