13229244 has 120 divisors (see below), whose sum is σ = 41740160. Its totient is φ = 3569184.

The previous prime is 13229207. The next prime is 13229267. The reversal of 13229244 is 44292231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42939 + ... + 43245.

Almost surely, 2^13229244 is an apocalyptic number.

13229244 is a gapful number since it is divisible by the number (14) 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 13229244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20870080).

13229244 is an abundant number, since it is smaller than the sum of its proper divisors (28510916).

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

13229244 is a wasteful number, since it uses less digits than its factorization.

13229244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 338 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13229244 is about 3637.2027713615. The cubic root of 13229244 is about 236.5075498158.

The spelling of 13229244 in words is "thirteen million, two hundred twenty-nine thousand, two hundred forty-four".