11994880 has 36 divisors (see below), whose sum is σ = 28734552. Its totient is φ = 4797440.

The previous prime is 11994869. The next prime is 11994883. The reversal of 11994880 is 8849911.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (798182).

Almost surely, 2^11994880 is an apocalyptic number.

11994880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11994880 is an abundant number, since it is smaller than the sum of its proper divisors (16739672).

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

11994880 is an frugal number, since it uses more digits than its factorization.

11994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392 (or 9378 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11994880 is about 3463.3625279488. The cubic root of 11994880 is about 228.9102831180.

The spelling of 11994880 in words is "eleven million, nine hundred ninety-four thousand, eight hundred eighty".