12637492 has 48 divisors (see below), whose sum is σ = 26387200. Its totient is φ = 5292000.

The previous prime is 12637483. The next prime is 12637507. The reversal of 12637492 is 29473621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83617 + ... + 83767.

Almost surely, 2^12637492 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 12637492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13193600).

12637492 is an abundant number, since it is smaller than the sum of its proper divisors (13749708).

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

12637492 is a wasteful number, since it uses less digits than its factorization.

12637492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 221 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 12637492 is about 3554.9250343713. The cubic root of 12637492 is about 232.9272492328.

The spelling of 12637492 in words is "twelve million, six hundred thirty-seven thousand, four hundred ninety-two".