12909150 has 36 divisors (see below), whose sum is σ = 34683792. Its totient is φ = 3442320.

The previous prime is 12909139. The next prime is 12909163. The reversal of 12909150 is 5190921.

It is a happy number.

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13894 + ... + 14793.

Almost surely, 2^12909150 is an apocalyptic number.

12909150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12909150 is an abundant number, since it is smaller than the sum of its proper divisors (21774642).

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

12909150 is a wasteful number, since it uses less digits than its factorization.

12909150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28705 (or 28697 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 12909150 is about 3592.9305587501. The cubic root of 12909150 is about 234.5844474398.

It can be divided in two parts, 1290 and 9150, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 12909150 in words is "twelve million, nine hundred nine thousand, one hundred fifty".