13922556 has 12 divisors (see below), whose sum is σ = 32485992. Its totient is φ = 4640848.

The previous prime is 13922551. The next prime is 13922569. The reversal of 13922556 is 65522931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 580095 + ... + 580118.

It is an arithmetic number, because the mean of its divisors is an integer number (2707166).

Almost surely, 2^13922556 is an apocalyptic number.

It is an amenable number.

13922556 is an abundant number, since it is smaller than the sum of its proper divisors (18563436).

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

13922556 is a wasteful number, since it uses less digits than its factorization.

13922556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160220 (or 1160218 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 13922556 is about 3731.2941454675. The cubic root of 13922556 is about 240.5689971654.

The spelling of 13922556 in words is "thirteen million, nine hundred twenty-two thousand, five hundred fifty-six".