13222984 has 8 divisors (see below), whose sum is σ = 24793110. Its totient is φ = 6611488.

The previous prime is 13222981. The next prime is 13223003. The reversal of 13222984 is 48922231.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 1512900 = 3422^2 + 1230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13222981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826429 + ... + 826444.

Almost surely, 2^13222984 is an apocalyptic number.

It is an amenable number.

13222984 is a deficient number, since it is larger than the sum of its proper divisors (11570126).

13222984 is a wasteful number, since it uses less digits than its factorization.

13222984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652879 (or 1652875 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 13222984 is about 3636.3421181182. The cubic root of 13222984 is about 236.4702392723.

The spelling of 13222984 in words is "thirteen million, two hundred twenty-two thousand, nine hundred eighty-four".