11660439 has 32 divisors (see below), whose sum is σ = 18726400. Its totient is φ = 6314112.

The previous prime is 11660413. The next prime is 11660443. The reversal of 11660439 is 93406611.

It is not a de Polignac number, because 11660439 - 2⁹ = 11659927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33237 + ... + 33585.

It is an arithmetic number, because the mean of its divisors is an integer number (585200).

Almost surely, 2^11660439 is an apocalyptic number.

11660439 is a deficient number, since it is larger than the sum of its proper divisors (7065961).

11660439 is a wasteful number, since it uses less digits than its factorization.

11660439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 11660439 is about 3414.7384965763. The cubic root of 11660439 is about 226.7627075227.

The spelling of 11660439 in words is "eleven million, six hundred sixty thousand, four hundred thirty-nine".