13223808 has 96 divisors (see below), whose sum is σ = 41026440. Its totient is φ = 4064256.

The previous prime is 13223801. The next prime is 13223831. The reversal of 13223808 is 80832231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14535 + ... + 15417.

Almost surely, 2^13223808 is an apocalyptic number.

13223808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13223808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20513220).

13223808 is an abundant number, since it is smaller than the sum of its proper divisors (27802632).

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

13223808 is a wasteful number, since it uses less digits than its factorization.

13223808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13223808 is about 3636.4554170236. The cubic root of 13223808 is about 236.4751511094.

The spelling of 13223808 in words is "thirteen million, two hundred twenty-three thousand, eight hundred eight".