11983158 has 24 divisors (see below), whose sum is σ = 28324296. Its totient is φ = 3631200.

The previous prime is 11983157. The next prime is 11983159. The reversal of 11983158 is 85138911.

It is an interprime number because it is at equal distance from previous prime (11983157) and next prime (11983159).

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11983157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30063 + ... + 30458.

It is an arithmetic number, because the mean of its divisors is an integer number (1180179).

Almost surely, 2^11983158 is an apocalyptic number.

11983158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11983158 is an abundant number, since it is smaller than the sum of its proper divisors (16341138).

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

11983158 is a wasteful number, since it uses less digits than its factorization.

11983158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60540 (or 60537 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 11983158 is about 3461.6698282765. The cubic root of 11983158 is about 228.8356912673.

It can be divided in two parts, 1198 and 3158, that added together give a square (4356 = 66²).

The spelling of 11983158 in words is "eleven million, nine hundred eighty-three thousand, one hundred fifty-eight".