11975982 has 32 divisors (see below), whose sum is σ = 25119744. Its totient is φ = 3805560.

The previous prime is 11975941. The next prime is 11975983. The reversal of 11975982 is 28957911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11975983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178713 + ... + 178779.

It is an arithmetic number, because the mean of its divisors is an integer number (784992).

Almost surely, 2^11975982 is an apocalyptic number.

11975982 is an abundant number, since it is smaller than the sum of its proper divisors (13143762).

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

11975982 is an frugal number, since it uses more digits than its factorization.

11975982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 103 counting only the distinct ones).

The product of its digits is 45360, while the sum is 42.

The square root of 11975982 is about 3460.6331790584. The cubic root of 11975982 is about 228.7900034550.

The spelling of 11975982 in words is "eleven million, nine hundred seventy-five thousand, nine hundred eighty-two".