11986970 has 16 divisors (see below), whose sum is σ = 21899808. Its totient is φ = 4722960.

The previous prime is 11986963. The next prime is 11986973. The reversal of 11986970 is 7968911.

It is a happy number.

11986970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11986973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8276 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (1368738).

Almost surely, 2^11986970 is an apocalyptic number.

11986970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11986970 is a deficient number, since it is larger than the sum of its proper divisors (9912838).

11986970 is a wasteful number, since it uses less digits than its factorization.

11986970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17965.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 11986970 is about 3462.2203858218. The cubic root of 11986970 is about 228.8599539081.

The spelling of 11986970 in words is "eleven million, nine hundred eighty-six thousand, nine hundred seventy".