11720959 has 8 divisors (see below), whose sum is σ = 12168000. Its totient is φ = 11276832.

The previous prime is 11720903. The next prime is 11720977. The reversal of 11720959 is 95902711.

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 11720959 - 2⁹ = 11720447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11790959) 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, 10762 + ... + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (1521000).

Almost surely, 2^11720959 is an apocalyptic number.

11720959 is a deficient number, since it is larger than the sum of its proper divisors (447041).

11720959 is a wasteful number, since it uses less digits than its factorization.

11720959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 11720959 is about 3423.5886143052. The cubic root of 11720959 is about 227.1543452763.

The spelling of 11720959 in words is "eleven million, seven hundred twenty thousand, nine hundred fifty-nine".