11813622 has 16 divisors (see below), whose sum is σ = 23779632. Its totient is φ = 3912480.

The previous prime is 11813621. The next prime is 11813653. The reversal of 11813622 is 22631811.

11813622 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11813592 and 11813601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5329 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (1486227).

Almost surely, 2^11813622 is an apocalyptic number.

11813622 is an abundant number, since it is smaller than the sum of its proper divisors (11966010).

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

11813622 is a wasteful number, since it uses less digits than its factorization.

11813622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703.

The product of its digits is 576, while the sum is 24.

The square root of 11813622 is about 3437.0949943230. The cubic root of 11813622 is about 227.7513833562.

The spelling of 11813622 in words is "eleven million, eight hundred thirteen thousand, six hundred twenty-two".