11439960 has 64 divisors (see below), whose sum is σ = 39225600. Its totient is φ = 2614656.

The previous prime is 11439959. The next prime is 11439977. The reversal of 11439960 is 6993411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (612900).

Almost surely, 2^11439960 is an apocalyptic number.

11439960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11439960 is an abundant number, since it is smaller than the sum of its proper divisors (27785640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11439960 is a wasteful number, since it uses less digits than its factorization.

11439960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13640 (or 13636 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 11439960 is about 3382.3009919284. The cubic root of 11439960 is about 225.3243716505.

The spelling of 11439960 in words is "eleven million, four hundred thirty-nine thousand, nine hundred sixty".