13223670 has 64 divisors (see below), whose sum is σ = 33454080. Its totient is φ = 3340800.

The previous prime is 13223669. The next prime is 13223687. The reversal of 13223670 is 7632231.

It is a self number, because there is not a number n which added to its sum of digits gives 13223670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54750 + ... + 54990.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^13223670 is an apocalyptic number.

13223670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13223670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16727040).

13223670 is an abundant number, since it is smaller than the sum of its proper divisors (20230410).

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

13223670 is a wasteful number, since it uses less digits than its factorization.

13223670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13223670 is about 3636.4364424530. The cubic root of 13223670 is about 236.4743285102.

The spelling of 13223670 in words is "thirteen million, two hundred twenty-three thousand, six hundred seventy".