13229568 has 200 divisors, whose sum is σ = 44561880. Its totient is φ = 3870720.

The previous prime is 13229549. The next prime is 13229581. The reversal of 13229568 is 86592231.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (25920) is a multiple of the sum of its prime divisors (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 456178 + ... + 456206.

Almost surely, 2^13229568 is an apocalyptic number.

13229568 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 13229568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22280940).

13229568 is an abundant number, since it is smaller than the sum of its proper divisors (31332312).

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

13229568 is an equidigital number, since it uses as much as digits as its factorization.

13229568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 45 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 13229568 is about 3637.2473108107. The cubic root of 13229568 is about 236.5094805843.

The spelling of 13229568 in words is "thirteen million, two hundred twenty-nine thousand, five hundred sixty-eight".