11992860 has 120 divisors (see below), whose sum is σ = 41103216. Its totient is φ = 2903040.

The previous prime is 11992853. The next prime is 11992889. The reversal of 11992860 is 6829911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17484 + ... + 18156.

Almost surely, 2^11992860 is an apocalyptic number.

11992860 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 11992860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20551608).

11992860 is an abundant number, since it is smaller than the sum of its proper divisors (29110356).

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

11992860 is a wasteful number, since it uses less digits than its factorization.

11992860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 11992860 is about 3463.0708915643. The cubic root of 11992860 is about 228.8974325037.

The spelling of 11992860 in words is "eleven million, nine hundred ninety-two thousand, eight hundred sixty".