11780790 has 32 divisors (see below), whose sum is σ = 32313600. Its totient is φ = 2692704.

The previous prime is 11780789. The next prime is 11780801. The reversal of 11780790 is 9708711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27840 + ... + 28259.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^11780790 is an apocalyptic number.

11780790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11780790 is an abundant number, since it is smaller than the sum of its proper divisors (20532810).

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

11780790 is a wasteful number, since it uses less digits than its factorization.

11780790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56116.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 11780790 is about 3432.3155449346. The cubic root of 11780790 is about 227.5402014051.

The spelling of 11780790 in words is "eleven million, seven hundred eighty thousand, seven hundred ninety".