11715513 has 8 divisors (see below), whose sum is σ = 15662400. Its totient is φ = 7789488.

The previous prime is 11715511. The next prime is 11715523. The reversal of 11715513 is 31551711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11715513 - 2¹ = 11715511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11715511) 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, 3853 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (1957800).

Almost surely, 2^11715513 is an apocalyptic number.

It is an amenable number.

11715513 is a deficient number, since it is larger than the sum of its proper divisors (3946887).

11715513 is a wasteful number, since it uses less digits than its factorization.

11715513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431.

The product of its digits is 525, while the sum is 24.

The square root of 11715513 is about 3422.7931576419. The cubic root of 11715513 is about 227.1191583315.

The spelling of 11715513 in words is "eleven million, seven hundred fifteen thousand, five hundred thirteen".