13422236 has 12 divisors (see below), whose sum is σ = 23619960. Its totient is φ = 6673680.

The previous prime is 13422229. The next prime is 13422247. The reversal of 13422236 is 63222431.

It is a congruent number.

It is an unprimeable number.

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, 8546 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (1968330).

Almost surely, 2^13422236 is an apocalyptic number.

It is an amenable number.

13422236 is a deficient number, since it is larger than the sum of its proper divisors (10197724).

13422236 is a wasteful number, since it uses less digits than its factorization.

13422236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724 (or 18722 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 13422236 is about 3663.6369907511. The cubic root of 13422236 is about 237.6520820955.

Adding to 13422236 its reverse (63222431), we get a palindrome (76644667).

The spelling of 13422236 in words is "thirteen million, four hundred twenty-two thousand, two hundred thirty-six".