13226432 has 56 divisors (see below), whose sum is σ = 28194000. Its totient is φ = 6137856.

The previous prime is 13226419. The next prime is 13226467. The reversal of 13226432 is 23462231.

It is a junction number, because it is equal to n+sod(n) for n = 13226398 and 13226407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88694 + ... + 88842.

Almost surely, 2^13226432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13226432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14097000).

13226432 is an abundant number, since it is smaller than the sum of its proper divisors (14967568).

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

13226432 is a wasteful number, since it uses less digits than its factorization.

13226432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 243 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 13226432 is about 3636.8161900212. The cubic root of 13226432 is about 236.4907913284.

Adding to 13226432 its reverse (23462231), we get a palindrome (36688663).

The spelling of 13226432 in words is "thirteen million, two hundred twenty-six thousand, four hundred thirty-two".