11959680 has 64 divisors (see below), whose sum is σ = 38127600. Its totient is φ = 3188736.

The previous prime is 11959679. The next prime is 11959681. The reversal of 11959680 is 8695911.

11959680 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11959679) and next prime (11959681).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11959681) 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, 1195 + ... + 5034.

Almost surely, 2^11959680 is an apocalyptic number.

11959680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11959680 is an abundant number, since it is smaller than the sum of its proper divisors (26167920).

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

11959680 is an equidigital number, since it uses as much as digits as its factorization.

11959680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251 (or 6239 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 11959680 is about 3458.2770276541. The cubic root of 11959680 is about 228.6861447971.

The spelling of 11959680 in words is "eleven million, nine hundred fifty-nine thousand, six hundred eighty".