12166365 has 16 divisors (see below), whose sum is σ = 20491200. Its totient is φ = 6147072.

The previous prime is 12166361. The next prime is 12166369. The reversal of 12166365 is 56366121.

It is an interprime number because it is at equal distance from previous prime (12166361) and next prime (12166369).

It is not a de Polignac number, because 12166365 - 2² = 12166361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166361) 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, 21060 + ... + 21629.

It is an arithmetic number, because the mean of its divisors is an integer number (1280700).

Almost surely, 2^12166365 is an apocalyptic number.

12166365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12166365 is a deficient number, since it is larger than the sum of its proper divisors (8324835).

12166365 is a wasteful number, since it uses less digits than its factorization.

12166365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42716.

The product of its digits is 6480, while the sum is 30.

The square root of 12166365 is about 3488.0316799020. The cubic root of 12166365 is about 229.9959986701.

The spelling of 12166365 in words is "twelve million, one hundred sixty-six thousand, three hundred sixty-five".