11599660 has 12 divisors (see below), whose sum is σ = 24359328. Its totient is φ = 4639856.

The previous prime is 11599639. The next prime is 11599663. The reversal of 11599660 is 6699511.

It is a super-2 number, since 2×11599660² = 269104224231200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11599663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289972 + ... + 290011.

It is an arithmetic number, because the mean of its divisors is an integer number (2029944).

Almost surely, 2^11599660 is an apocalyptic number.

11599660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11599660 is an abundant number, since it is smaller than the sum of its proper divisors (12759668).

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

11599660 is a wasteful number, since it uses less digits than its factorization.

11599660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579992 (or 579990 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 11599660 is about 3405.8273591009. The cubic root of 11599660 is about 226.3680275077.

The spelling of 11599660 in words is "eleven million, five hundred ninety-nine thousand, six hundred sixty".