12165151 has 16 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 11312320.

The previous prime is 12165133. The next prime is 12165161. The reversal of 12165151 is 15156121.

It is a happy number.

12165151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12165151 - 2¹¹ = 12163103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113640 + ... + 113746.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^12165151 is an apocalyptic number.

12165151 is a deficient number, since it is larger than the sum of its proper divisors (898529).

12165151 is a wasteful number, since it uses less digits than its factorization.

12165151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 300, while the sum is 22.

The square root of 12165151 is about 3487.8576519118. The cubic root of 12165151 is about 229.9883484961.

The spelling of 12165151 in words is "twelve million, one hundred sixty-five thousand, one hundred fifty-one".