12250631 has 4 divisors (see below), whose sum is σ = 12333000. Its totient is φ = 12168264.

The previous prime is 12250627. The next prime is 12250633. The reversal of 12250631 is 13605221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12250631 - 2² = 12250627 is a prime.

It is a super-2 number, since 2×12250631² = 300155919796322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250633) 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, 40961 + ... + 41258.

It is an arithmetic number, because the mean of its divisors is an integer number (3083250).

Almost surely, 2^12250631 is an apocalyptic number.

12250631 is a deficient number, since it is larger than the sum of its proper divisors (82369).

12250631 is an equidigital number, since it uses as much as digits as its factorization.

12250631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82368.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12250631 is about 3500.0901416964. The cubic root of 12250631 is about 230.5257726102.

Adding to 12250631 its reverse (13605221), we get a palindrome (25855852).

The spelling of 12250631 in words is "twelve million, two hundred fifty thousand, six hundred thirty-one".