12631542 has 64 divisors (see below), whose sum is σ = 33177600. Its totient is φ = 3106080.

The previous prime is 12631529. The next prime is 12631573. The reversal of 12631542 is 24513621.

It is a congruent number.

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, 8059 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^12631542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16588800).

12631542 is an abundant number, since it is smaller than the sum of its proper divisors (20546058).

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

12631542 is a wasteful number, since it uses less digits than its factorization.

12631542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its digits is 1440, while the sum is 24.

The square root of 12631542 is about 3554.0880686894. The cubic root of 12631542 is about 232.8906877934.

The spelling of 12631542 in words is "twelve million, six hundred thirty-one thousand, five hundred forty-two".