11986713 has 6 divisors (see below), whose sum is σ = 17314154. Its totient is φ = 7991136.

The previous prime is 11986693. The next prime is 11986727. The reversal of 11986713 is 31768911.

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 63504 = 3453^2 + 252^2 .

It is not a de Polignac number, because 11986713 - 2¹⁰ = 11985689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11986313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665920 + ... + 665937.

Almost surely, 2^11986713 is an apocalyptic number.

It is an amenable number.

11986713 is a deficient number, since it is larger than the sum of its proper divisors (5327441).

11986713 is a wasteful number, since it uses less digits than its factorization.

11986713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331863 (or 1331860 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11986713 is about 3462.1832707123. The cubic root of 11986713 is about 228.8583183146.

The spelling of 11986713 in words is "eleven million, nine hundred eighty-six thousand, seven hundred thirteen".