11715712 has 16 divisors (see below), whose sum is σ = 23340150. Its totient is φ = 5857792.

The previous prime is 11715701. The next prime is 11715713. The reversal of 11715712 is 21751711.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 46656 = 3416^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (11715713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45637 + ... + 45892.

Almost surely, 2^11715712 is an apocalyptic number.

It is an amenable number.

11715712 is a deficient number, since it is larger than the sum of its proper divisors (11624438).

11715712 is an frugal number, since it uses more digits than its factorization.

11715712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91543 (or 91531 counting only the distinct ones).

The product of its digits is 490, while the sum is 25.

The square root of 11715712 is about 3422.8222273440. The cubic root of 11715712 is about 227.1204442748.

The spelling of 11715712 in words is "eleven million, seven hundred fifteen thousand, seven hundred twelve".