11985670 has 16 divisors (see below), whose sum is σ = 21789648. Its totient is φ = 4746400.

The previous prime is 11985667. The next prime is 11985683. The reversal of 11985670 is 7658911.

11985670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (1361853).

Almost surely, 2^11985670 is an apocalyptic number.

11985670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11985670 is a deficient number, since it is larger than the sum of its proper divisors (9803978).

11985670 is a wasteful number, since it uses less digits than its factorization.

11985670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11975.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 11985670 is about 3462.0326399386. The cubic root of 11985670 is about 228.8516802382.

The spelling of 11985670 in words is "eleven million, nine hundred eighty-five thousand, six hundred seventy".