13236432 has 120 divisors (see below), whose sum is σ = 39184992. Its totient is φ = 3843840.

The previous prime is 13236413. The next prime is 13236437. The reversal of 13236432 is 23463231.

13236432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249718 + ... + 249770.

Almost surely, 2^13236432 is an apocalyptic number.

13236432 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 13236432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19592496).

13236432 is an abundant number, since it is smaller than the sum of its proper divisors (25948560).

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

13236432 is a wasteful number, since it uses less digits than its factorization.

13236432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 13236432 is about 3638.1907591549. The cubic root of 13236432 is about 236.5503768654.

Adding to 13236432 its reverse (23463231), we get a palindrome (36699663).

The spelling of 13236432 in words is "thirteen million, two hundred thirty-six thousand, four hundred thirty-two".