11880689 has 2 divisors, whose sum is σ = 11880690. Its totient is φ = 11880688.

The previous prime is 11880679. The next prime is 11880721. The reversal of 11880689 is 98608811.

11880689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 47089 = 3440^2 + 217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11880689 is a prime.

It is a super-2 number, since 2×11880689² = 282301542229442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11880619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940344 + 5940345.

It is an arithmetic number, because the mean of its divisors is an integer number (5940345).

Almost surely, 2^11880689 is an apocalyptic number.

It is an amenable number.

11880689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11880689 is an equidigital number, since it uses as much as digits as its factorization.

11880689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 11880689 is about 3446.8375360611. The cubic root of 11880689 is about 228.1815587292.

The spelling of 11880689 in words is "eleven million, eight hundred eighty thousand, six hundred eighty-nine".