12632855 has 4 divisors (see below), whose sum is σ = 15159432. Its totient is φ = 10106280.

The previous prime is 12632839. The next prime is 12632857. The reversal of 12632855 is 55823621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55823621 = 7 ⋅7974803.

It is not a de Polignac number, because 12632855 - 2⁴ = 12632839 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 (12632857) 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, 1263281 + ... + 1263290.

It is an arithmetic number, because the mean of its divisors is an integer number (3789858).

Almost surely, 2^12632855 is an apocalyptic number.

12632855 is a deficient number, since it is larger than the sum of its proper divisors (2526577).

12632855 is an equidigital number, since it uses as much as digits as its factorization.

12632855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526576.

The product of its digits is 14400, while the sum is 32.

The square root of 12632855 is about 3554.2727807528. The cubic root of 12632855 is about 232.8987568763.

The spelling of 12632855 in words is "twelve million, six hundred thirty-two thousand, eight hundred fifty-five".