11513788 has 24 divisors (see below), whose sum is σ = 23672880. Its totient is φ = 4830720.

The previous prime is 11513729. The next prime is 11513797. The reversal of 11513788 is 88731511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (986370).

Almost surely, 2^11513788 is an apocalyptic number.

It is an amenable number.

11513788 is an abundant number, since it is smaller than the sum of its proper divisors (12159092).

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

11513788 is a wasteful number, since it uses less digits than its factorization.

11513788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20155 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The square root of 11513788 is about 3393.1973122705. The cubic root of 11513788 is about 225.8080443838.

The spelling of 11513788 in words is "eleven million, five hundred thirteen thousand, seven hundred eighty-eight".