11513500 has 24 divisors (see below), whose sum is σ = 25146576. Its totient is φ = 4605200.

The previous prime is 11513483. The next prime is 11513503. The reversal of 11513500 is 531511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513503) 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, 11014 + ... + 12013.

It is an arithmetic number, because the mean of its divisors is an integer number (1047774).

Almost surely, 2^11513500 is an apocalyptic number.

11513500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11513500 is an abundant number, since it is smaller than the sum of its proper divisors (13633076).

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

11513500 is a wasteful number, since it uses less digits than its factorization.

11513500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23046 (or 23034 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11513500 is about 3393.1548741547. The cubic root of 11513500 is about 225.8061616191.

The spelling of 11513500 in words is "eleven million, five hundred thirteen thousand, five hundred".