11513249 has 4 divisors (see below), whose sum is σ = 12559920. Its totient is φ = 10466580.

The previous prime is 11513239. The next prime is 11513263. The reversal of 11513249 is 94231511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11513249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11513209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523319 + ... + 523340.

It is an arithmetic number, because the mean of its divisors is an integer number (3139980).

Almost surely, 2^11513249 is an apocalyptic number.

It is an amenable number.

11513249 is a deficient number, since it is larger than the sum of its proper divisors (1046671).

11513249 is a wasteful number, since it uses less digits than its factorization.

11513249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046670.

The product of its digits is 1080, while the sum is 26.

The square root of 11513249 is about 3393.1178877251. The cubic root of 11513249 is about 225.8045207118.

The spelling of 11513249 in words is "eleven million, five hundred thirteen thousand, two hundred forty-nine".