12639150 has 36 divisors (see below), whose sum is σ = 33958392. Its totient is φ = 3370320.

The previous prime is 12639149. The next prime is 12639181. The reversal of 12639150 is 5193621.

12639150 is a `hidden beast` number, since 12 + 639 + 15 + 0 = 666.

It is a super-2 number, since 2×12639150² = 319496225445000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13594 + ... + 14493.

Almost surely, 2^12639150 is an apocalyptic number.

12639150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12639150 is an abundant number, since it is smaller than the sum of its proper divisors (21319242).

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

12639150 is a wasteful number, since it uses less digits than its factorization.

12639150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28105 (or 28097 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12639150 is about 3555.1582243270. The cubic root of 12639150 is about 232.9374352331.

The spelling of 12639150 in words is "twelve million, six hundred thirty-nine thousand, one hundred fifty".