11598920 has 16 divisors (see below), whose sum is σ = 26097660. Its totient is φ = 4639552.

The previous prime is 11598889. The next prime is 11598943. The reversal of 11598920 is 2989511.

It can be written as a sum of positive squares in 2 ways, for example, as 10719076 + 879844 = 3274^2 + 938^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144947 + ... + 145026.

Almost surely, 2^11598920 is an apocalyptic number.

11598920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11598920 is an abundant number, since it is smaller than the sum of its proper divisors (14498740).

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

11598920 is a wasteful number, since it uses less digits than its factorization.

11598920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289984 (or 289980 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 11598920 is about 3405.7187200355. The cubic root of 11598920 is about 226.3632136913.

The spelling of 11598920 in words is "eleven million, five hundred ninety-eight thousand, nine hundred twenty".