11979700 has 18 divisors (see below), whose sum is σ = 25996166. Its totient is φ = 4791840.

The previous prime is 11979659. The next prime is 11979719. The reversal of 11979700 is 797911.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4016016 + 7963684 = 2004^2 + 2822^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59799 + ... + 59998.

Almost surely, 2^11979700 is an apocalyptic number.

11979700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11979700 is an abundant number, since it is smaller than the sum of its proper divisors (14016466).

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

11979700 is a wasteful number, since it uses less digits than its factorization.

11979700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119811 (or 119804 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 11979700 is about 3461.1703223043. The cubic root of 11979700 is about 228.8136773166.

The spelling of 11979700 in words is "eleven million, nine hundred seventy-nine thousand, seven hundred".