13220384 has 24 divisors (see below), whose sum is σ = 26869248. Its totient is φ = 6396480.

The previous prime is 13220381. The next prime is 13220387. The reversal of 13220384 is 48302231.

It is an interprime number because it is at equal distance from previous prime (13220381) and next prime (13220387).

It is not an unprimeable number, because it can be changed into a prime (13220381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (1119552).

Almost surely, 2^13220384 is an apocalyptic number.

It is an amenable number.

13220384 is an abundant number, since it is smaller than the sum of its proper divisors (13648864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220384 is a wasteful number, since it uses less digits than its factorization.

13220384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368 (or 13360 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13220384 is about 3635.9845984272. The cubic root of 13220384 is about 236.4547394194.

The spelling of 13220384 in words is "thirteen million, two hundred twenty thousand, three hundred eighty-four".