12165150 has 24 divisors (see below), whose sum is σ = 30169944. Its totient is φ = 3244000.

The previous prime is 12165133. The next prime is 12165161. The reversal of 12165150 is 5156121.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40401 + ... + 40700.

It is an arithmetic number, because the mean of its divisors is an integer number (1257081).

Almost surely, 2^12165150 is an apocalyptic number.

12165150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12165150 is an abundant number, since it is smaller than the sum of its proper divisors (18004794).

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

12165150 is a wasteful number, since it uses less digits than its factorization.

12165150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81116 (or 81111 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 12165150 is about 3487.8575085574. The cubic root of 12165150 is about 229.9883421943.

The spelling of 12165150 in words is "twelve million, one hundred sixty-five thousand, one hundred fifty".