12631090 has 8 divisors (see below), whose sum is σ = 22735980. Its totient is φ = 5052432.

The previous prime is 12631079. The next prime is 12631111. The reversal of 12631090 is 9013621.

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 859329 = 3431^2 + 927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631545 + ... + 631564.

Almost surely, 2^12631090 is an apocalyptic number.

12631090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12631090 is a deficient number, since it is larger than the sum of its proper divisors (10104890).

12631090 is a wasteful number, since it uses less digits than its factorization.

12631090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263116.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 12631090 is about 3554.0244793755. The cubic root of 12631090 is about 232.8879098837.

The spelling of 12631090 in words is "twelve million, six hundred thirty-one thousand, ninety".