11520713 has 8 divisors (see below), whose sum is σ = 12496680. Its totient is φ = 10577920.

The previous prime is 11520709. The next prime is 11520739. The reversal of 11520713 is 31702511.

It can be written as a sum of positive squares in 4 ways, for example, as 2598544 + 8922169 = 1612^2 + 2987^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11520713 - 2² = 11520709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11520763) 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, 7568 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (1562085).

Almost surely, 2^11520713 is an apocalyptic number.

It is an amenable number.

11520713 is a deficient number, since it is larger than the sum of its proper divisors (975967).

11520713 is a wasteful number, since it uses less digits than its factorization.

11520713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16587.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11520713 is about 3394.2175828901. The cubic root of 11520713 is about 225.8533062707.

The spelling of 11520713 in words is "eleven million, five hundred twenty thousand, seven hundred thirteen".