13022232 has 64 divisors (see below), whose sum is σ = 35112960. Its totient is φ = 4012800.

The previous prime is 13022231. The next prime is 13022257. The reversal of 13022232 is 23222031.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16732 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (548640).

Almost surely, 2^13022232 is an apocalyptic number.

13022232 is a gapful number since it is divisible by the number (12) 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 13022232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17556480).

13022232 is an abundant number, since it is smaller than the sum of its proper divisors (22090728).

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

13022232 is a wasteful number, since it uses less digits than its factorization.

13022232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13022232 is about 3608.6329821693. The cubic root of 13022232 is about 235.2674305713.

Adding to 13022232 its reverse (23222031), we get a palindrome (36244263).

The spelling of 13022232 in words is "thirteen million, twenty-two thousand, two hundred thirty-two".