11993588 has 12 divisors (see below), whose sum is σ = 21712740. Its totient is φ = 5789952.

The previous prime is 11993581. The next prime is 11993591. The reversal of 11993588 is 88539911.

It is a happy number.

11993588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 6666724 = 2308^2 + 2582^2 .

It is a super-2 number, since 2×11993588² = 287692306227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11993581) 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, 51581 + ... + 51812.

It is an arithmetic number, because the mean of its divisors is an integer number (1809395).

Almost surely, 2^11993588 is an apocalyptic number.

It is an amenable number.

11993588 is a deficient number, since it is larger than the sum of its proper divisors (9719152).

11993588 is a wasteful number, since it uses less digits than its factorization.

11993588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103426 (or 103424 counting only the distinct ones).

The product of its digits is 77760, while the sum is 44.

The square root of 11993588 is about 3463.1759989928. The cubic root of 11993588 is about 228.9020639805.

The spelling of 11993588 in words is "eleven million, nine hundred ninety-three thousand, five hundred eighty-eight".