13456432 has 40 divisors (see below), whose sum is σ = 28761552. Its totient is φ = 6048000.

The previous prime is 13456363. The next prime is 13456439. The reversal of 13456432 is 23465431.

It is a self number, because there is not a number n which added to its sum of digits gives 13456432.

It is not an unprimeable number, because it can be changed into a prime (13456439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17398 + ... + 18154.

Almost surely, 2^13456432 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 13456432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14380776).

13456432 is an abundant number, since it is smaller than the sum of its proper divisors (15305120).

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

13456432 is a wasteful number, since it uses less digits than its factorization.

13456432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 13456432 is about 3668.3009691136. The cubic root of 13456432 is about 237.8537340112.

It can be divided in two parts, 1345 and 6432, that added together give a palindrome (7777).

The spelling of 13456432 in words is "thirteen million, four hundred fifty-six thousand, four hundred thirty-two".