12055365 has 32 divisors (see below), whose sum is σ = 24495360. Its totient is φ = 5510592.

The previous prime is 12055361. The next prime is 12055391. The reversal of 12055365 is 56355021.

12055365 is a `hidden beast` number, since 120 + 5 + 536 + 5 = 666.

It is not a de Polignac number, because 12055365 - 2² = 12055361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5434 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (765480).

Almost surely, 2^12055365 is an apocalyptic number.

12055365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12055365 is an abundant number, since it is smaller than the sum of its proper divisors (12439995).

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

12055365 is a wasteful number, since it uses less digits than its factorization.

12055365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778 (or 12772 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 12055365 is about 3472.0836683467. The cubic root of 12055365 is about 229.2944034240.

Multiplying 12055365 by its sum of digits (27), we get a triangular number (325494855 = T₂₅₅₁₄).

The spelling of 12055365 in words is "twelve million, fifty-five thousand, three hundred sixty-five".