12631190 has 64 divisors (see below), whose sum is σ = 27300672. Its totient is φ = 4181760.

The previous prime is 12631183. The next prime is 12631193. The reversal of 12631190 is 9113621.

It is a happy number.

It is a super-2 number, since 2×12631190² = 319093921632200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172994 + ... + 173066.

It is an arithmetic number, because the mean of its divisors is an integer number (426573).

Almost surely, 2^12631190 is an apocalyptic number.

12631190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12631190 is an abundant number, since it is smaller than the sum of its proper divisors (14669482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12631190 is a wasteful number, since it uses less digits than its factorization.

12631190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12631190 is about 3554.0385479057. The cubic root of 12631190 is about 232.8885244712. Note that the first 3 decimals are identical.

It can be divided in two parts, 12631 and 190, that added together give a palindrome (12821).

The spelling of 12631190 in words is "twelve million, six hundred thirty-one thousand, one hundred ninety".