12165087 has 16 divisors (see below), whose sum is σ = 18108288. Its totient is φ = 7200480.

The previous prime is 12165059. The next prime is 12165103. The reversal of 12165087 is 78056121.

It is not a de Polignac number, because 12165087 - 2¹² = 12160991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165017) 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, 2868 + ... + 5705.

It is an arithmetic number, because the mean of its divisors is an integer number (1131768).

Almost surely, 2^12165087 is an apocalyptic number.

12165087 is a deficient number, since it is larger than the sum of its proper divisors (5943201).

12165087 is a wasteful number, since it uses less digits than its factorization.

12165087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12165087 is about 3487.8484772134. The cubic root of 12165087 is about 229.9879451779.

The spelling of 12165087 in words is "twelve million, one hundred sixty-five thousand, eighty-seven".