13622236 has 24 divisors (see below), whose sum is σ = 25416720. Its totient is φ = 6365952.

The previous prime is 13622177. The next prime is 13622269. The reversal of 13622236 is 63222631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13622236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10470 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (1059030).

Almost surely, 2^13622236 is an apocalyptic number.

It is an amenable number.

13622236 is a deficient number, since it is larger than the sum of its proper divisors (11794484).

13622236 is a wasteful number, since it uses less digits than its factorization.

13622236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 13622236 is about 3690.8313426652. The cubic root of 13622236 is about 238.8266572188.

Adding to 13622236 its reverse (63222631), we get a palindrome (76844867).

The spelling of 13622236 in words is "thirteen million, six hundred twenty-two thousand, two hundred thirty-six".