12013365 has 48 divisors (see below), whose sum is σ = 23822208. Its totient is φ = 5061888.

The previous prime is 12013363. The next prime is 12013367. The reversal of 12013365 is 56331021.

It is an interprime number because it is at equal distance from previous prime (12013363) and next prime (12013367).

It is not a de Polignac number, because 12013365 - 2¹ = 12013363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17407 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (496296).

Almost surely, 2^12013365 is an apocalyptic number.

12013365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12013365 is a deficient number, since it is larger than the sum of its proper divisors (11808843).

12013365 is a wasteful number, since it uses less digits than its factorization.

12013365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12013365 is about 3466.0301498977. The cubic root of 12013365 is about 229.0278120083.

Adding to 12013365 its reverse (56331021), we get a palindrome (68344386).

The spelling of 12013365 in words is "twelve million, thirteen thousand, three hundred sixty-five".