11365720 has 32 divisors (see below), whose sum is σ = 25758000. Its totient is φ = 4513408.

The previous prime is 11365699. The next prime is 11365721. The reversal of 11365720 is 2756311.

It is a super-2 number, since 2×11365720² = 258359182236800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11365721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007 + ... + 6913.

Almost surely, 2^11365720 is an apocalyptic number.

11365720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11365720 is an abundant number, since it is smaller than the sum of its proper divisors (14392280).

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

11365720 is a wasteful number, since it uses less digits than its factorization.

11365720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 11365720 is about 3371.3083513675. The cubic root of 11365720 is about 224.8358968017.

The spelling of 11365720 in words is "eleven million, three hundred sixty-five thousand, seven hundred twenty".