11797880 has 16 divisors (see below), whose sum is σ = 26545320. Its totient is φ = 4719136.

The previous prime is 11797861. The next prime is 11797901. The reversal of 11797880 is 8879711.

It is a congruent number.

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, 147434 + ... + 147513.

Almost surely, 2^11797880 is an apocalyptic number.

11797880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11797880 is an abundant number, since it is smaller than the sum of its proper divisors (14747440).

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

11797880 is a wasteful number, since it uses less digits than its factorization.

11797880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294958 (or 294954 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 11797880 is about 3434.8042156723. The cubic root of 11797880 is about 227.6501765757.

The spelling of 11797880 in words is "eleven million, seven hundred ninety-seven thousand, eight hundred eighty".