11822790 has 32 divisors (see below), whose sum is σ = 32428800. Its totient is φ = 2702304.

The previous prime is 11822779. The next prime is 11822809. The reversal of 11822790 is 9722811.

11822790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27940 + ... + 28359.

It is an arithmetic number, because the mean of its divisors is an integer number (1013400).

Almost surely, 2^11822790 is an apocalyptic number.

11822790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11822790 is an abundant number, since it is smaller than the sum of its proper divisors (20606010).

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

11822790 is a wasteful number, since it uses less digits than its factorization.

11822790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56316.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11822790 is about 3438.4284200780. The cubic root of 11822790 is about 227.8102838576.

The spelling of 11822790 in words is "eleven million, eight hundred twenty-two thousand, seven hundred ninety".