12632637 has 4 divisors (see below), whose sum is σ = 16843520. Its totient is φ = 8421756.

The previous prime is 12632629. The next prime is 12632639. The reversal of 12632637 is 73623621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12632637 - 2³ = 12632629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105437 + ... + 2105442.

It is an arithmetic number, because the mean of its divisors is an integer number (4210880).

Almost surely, 2^12632637 is an apocalyptic number.

It is an amenable number.

12632637 is a deficient number, since it is larger than the sum of its proper divisors (4210883).

12632637 is an equidigital number, since it uses as much as digits as its factorization.

12632637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210882.

The product of its digits is 9072, while the sum is 30.

The square root of 12632637 is about 3554.2421133063. The cubic root of 12632637 is about 232.8974171891.

The spelling of 12632637 in words is "twelve million, six hundred thirty-two thousand, six hundred thirty-seven".