11968780 has 12 divisors (see below), whose sum is σ = 25134480. Its totient is φ = 4787504.

The previous prime is 11968777. The next prime is 11968819. The reversal of 11968780 is 8786911.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299200 + ... + 299239.

It is an arithmetic number, because the mean of its divisors is an integer number (2094540).

Almost surely, 2^11968780 is an apocalyptic number.

11968780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11968780 is an abundant number, since it is smaller than the sum of its proper divisors (13165700).

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

11968780 is a wasteful number, since it uses less digits than its factorization.

11968780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598448 (or 598446 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 11968780 is about 3459.5924615480. The cubic root of 11968780 is about 228.7441317535.

The spelling of 11968780 in words is "eleven million, nine hundred sixty-eight thousand, seven hundred eighty".