11596681 has 2 divisors, whose sum is σ = 11596682. Its totient is φ = 11596680.

The previous prime is 11596661. The next prime is 11596687. The reversal of 11596681 is 18669511.

11596681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 3644281 = 2820^2 + 1909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11596681 is a prime.

It is a super-2 number, since 2×11596681² = 268966020431522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11596681.

It is not a weakly prime, because it can be changed into another prime (11596687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5798340 + 5798341.

It is an arithmetic number, because the mean of its divisors is an integer number (5798341).

Almost surely, 2^11596681 is an apocalyptic number.

It is an amenable number.

11596681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11596681 is an equidigital number, since it uses as much as digits as its factorization.

11596681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 37.

The square root of 11596681 is about 3405.3899923504. The cubic root of 11596681 is about 226.3486473969.

The spelling of 11596681 in words is "eleven million, five hundred ninety-six thousand, six hundred eighty-one".