11513799 has 16 divisors (see below), whose sum is σ = 18608640. Its totient is φ = 6977880.

The previous prime is 11513797. The next prime is 11513813. The reversal of 11513799 is 99731511.

It is not a de Polignac number, because 11513799 - 2¹ = 11513797 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513797) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19087 + ... + 19680.

It is an arithmetic number, because the mean of its divisors is an integer number (1163040).

Almost surely, 2^11513799 is an apocalyptic number.

11513799 is a deficient number, since it is larger than the sum of its proper divisors (7094841).

11513799 is a wasteful number, since it uses less digits than its factorization.

11513799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38787 (or 38781 counting only the distinct ones).

The product of its digits is 8505, while the sum is 36.

The square root of 11513799 is about 3393.1989331603. The cubic root of 11513799 is about 225.8081162943.

It can be divided in two parts, 1151 and 3799, that added together give a triangular number (4950 = T₉₉).

The spelling of 11513799 in words is "eleven million, five hundred thirteen thousand, seven hundred ninety-nine".