13621922 has 16 divisors (see below), whose sum is σ = 21040992. Its totient is φ = 6610080.

The previous prime is 13621921. The next prime is 13621943. The reversal of 13621922 is 22912631.

It is a junction number, because it is equal to n+sod(n) for n = 13621891 and 13621900.

It is not an unprimeable number, because it can be changed into a prime (13621921) 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, 22913 + ... + 23499.

It is an arithmetic number, because the mean of its divisors is an integer number (1315062).

Almost surely, 2^13621922 is an apocalyptic number.

13621922 is a deficient number, since it is larger than the sum of its proper divisors (7419070).

13621922 is a wasteful number, since it uses less digits than its factorization.

13621922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 1296, while the sum is 26.

The square root of 13621922 is about 3690.7888045782. The cubic root of 13621922 is about 238.8248221763.

The spelling of 13621922 in words is "thirteen million, six hundred twenty-one thousand, nine hundred twenty-two".