11597868 has 36 divisors (see below), whose sum is σ = 29586648. Its totient is φ = 3830400.

The previous prime is 11597867. The next prime is 11597879. The reversal of 11597868 is 86879511.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11597863) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2643 + ... + 5493.

Almost surely, 2^11597868 is an apocalyptic number.

11597868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11597868 is an abundant number, since it is smaller than the sum of its proper divisors (17988780).

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

11597868 is a wasteful number, since it uses less digits than its factorization.

11597868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974 (or 2969 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 11597868 is about 3405.5642704257. The cubic root of 11597868 is about 226.3563699133.

The spelling of 11597868 in words is "eleven million, five hundred ninety-seven thousand, eight hundred sixty-eight".