13622212 has 12 divisors (see below), whose sum is σ = 23865660. Its totient is φ = 6803456.

The previous prime is 13622177. The next prime is 13622269. The reversal of 13622212 is 21222631.

It can be written as a sum of positive squares in 2 ways, for example, as 6471936 + 7150276 = 2544^2 + 2674^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13622212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (1988805).

Almost surely, 2^13622212 is an apocalyptic number.

It is an amenable number.

13622212 is a deficient number, since it is larger than the sum of its proper divisors (10243448).

13622212 is a wasteful number, since it uses less digits than its factorization.

13622212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3828 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 13622212 is about 3690.8280913638. The cubic root of 13622212 is about 238.8265169618.

Adding to 13622212 its reverse (21222631), we get a palindrome (34844843).

The spelling of 13622212 in words is "thirteen million, six hundred twenty-two thousand, two hundred twelve".