11492780 has 24 divisors (see below), whose sum is σ = 25991952. Its totient is φ = 4243392.

The previous prime is 11492779. The next prime is 11492791. The reversal of 11492780 is 8729411.

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, 21842 + ... + 22361.

It is an arithmetic number, because the mean of its divisors is an integer number (1082998).

Almost surely, 2^11492780 is an apocalyptic number.

11492780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11492780 is an abundant number, since it is smaller than the sum of its proper divisors (14499172).

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

11492780 is a wasteful number, since it uses less digits than its factorization.

11492780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44225 (or 44223 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11492780 is about 3390.1002935017. The cubic root of 11492780 is about 225.6706246953.

The spelling of 11492780 in words is "eleven million, four hundred ninety-two thousand, seven hundred eighty".