12911150 has 48 divisors (see below), whose sum is σ = 28215456. Its totient is φ = 4302720.

The previous prime is 12911123. The next prime is 12911161. The reversal of 12911150 is 5111921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12452 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (587822).

Almost surely, 2^12911150 is an apocalyptic number.

12911150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12911150 is an abundant number, since it is smaller than the sum of its proper divisors (15304306).

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

12911150 is a wasteful number, since it uses less digits than its factorization.

12911150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 12911150 is about 3593.2088723034. The cubic root of 12911150 is about 234.5965614485.

The spelling of 12911150 in words is "twelve million, nine hundred eleven thousand, one hundred fifty".