12275031 has 16 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 7634880.

The previous prime is 12275027. The next prime is 12275051. The reversal of 12275031 is 13057221.

It is not a de Polignac number, because 12275031 - 2² = 12275027 is a prime.

It is a super-2 number, since 2×12275031² = 301352772101922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12274989 and 12275007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275051) 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, 660 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^12275031 is an apocalyptic number.

12275031 is a deficient number, since it is larger than the sum of its proper divisors (5223849).

12275031 is a wasteful number, since it uses less digits than its factorization.

12275031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12275031 is about 3503.5740323276. The cubic root of 12275031 is about 230.6787197955.

The spelling of 12275031 in words is "twelve million, two hundred seventy-five thousand, thirty-one".