12042165 has 8 divisors (see below), whose sum is σ = 19267488. Its totient is φ = 6422480.

The previous prime is 12042161. The next prime is 12042169. The reversal of 12042165 is 56124021.

It is an interprime number because it is at equal distance from previous prime (12042161) and next prime (12042169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12042165 - 2² = 12042161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401391 + ... + 401420.

It is an arithmetic number, because the mean of its divisors is an integer number (2408436).

Almost surely, 2^12042165 is an apocalyptic number.

12042165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12042165 is a deficient number, since it is larger than the sum of its proper divisors (7225323).

12042165 is an equidigital number, since it uses as much as digits as its factorization.

12042165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802819.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12042165 is about 3470.1822718699. The cubic root of 12042165 is about 229.2106843638.

Adding to 12042165 its reverse (56124021), we get a palindrome (68166186).

The spelling of 12042165 in words is "twelve million, forty-two thousand, one hundred sixty-five".