12275637 has 16 divisors (see below), whose sum is σ = 17919552. Its totient is φ = 7413120.

The previous prime is 12275623. The next prime is 12275639. The reversal of 12275637 is 73657221.

It is not a de Polignac number, because 12275637 - 2⁷ = 12275509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 12275598 and 12275607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275639) 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, 12633 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (1119972).

Almost surely, 2^12275637 is an apocalyptic number.

It is an amenable number.

12275637 is a deficient number, since it is larger than the sum of its proper divisors (5643915).

12275637 is a wasteful number, since it uses less digits than its factorization.

12275637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its digits is 17640, while the sum is 33.

The square root of 12275637 is about 3503.6605143764. The cubic root of 12275637 is about 230.6825158214.

The spelling of 12275637 in words is "twelve million, two hundred seventy-five thousand, six hundred thirty-seven".