13005432 has 48 divisors (see below), whose sum is σ = 38427480. Its totient is φ = 3940800.

The previous prime is 13005431. The next prime is 13005439. The reversal of 13005432 is 23450031.

13005432 is digitally balanced in base 2 and base 4, because in such bases 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13005431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7419 + ... + 9002.

Almost surely, 2^13005432 is an apocalyptic number.

13005432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13005432 is an abundant number, since it is smaller than the sum of its proper divisors (25422048).

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

13005432 is a wasteful number, since it uses less digits than its factorization.

13005432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444 (or 16437 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13005432 is about 3606.3044796578. The cubic root of 13005432 is about 235.1662140835.

Adding to 13005432 its reverse (23450031), we get a palindrome (36455463).

The spelling of 13005432 in words is "thirteen million, five thousand, four hundred thirty-two".