11992000 has 56 divisors (see below), whose sum is σ = 29718000. Its totient is φ = 4793600.

The previous prime is 11991997. The next prime is 11992037. The reversal of 11992000 is 29911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 8749.

Almost surely, 2^11992000 is an apocalyptic number.

11992000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859000).

11992000 is an abundant number, since it is smaller than the sum of its proper divisors (17726000).

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

11992000 is an equidigital number, since it uses as much as digits as its factorization.

11992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 11992000 is about 3462.9467220851. The cubic root of 11992000 is about 228.8919610121.

The spelling of 11992000 in words is "eleven million, nine hundred ninety-two thousand".