13554432 has 144 divisors (see below), whose sum is σ = 41942880. Its totient is φ = 4313088.

The previous prime is 13554427. The next prime is 13554451. The reversal of 13554432 is 23445531.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13554396 and 13554405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255718 + ... + 255770.

It is an arithmetic number, because the mean of its divisors is an integer number (291270).

Almost surely, 2^13554432 is an apocalyptic number.

13554432 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 13554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20971440).

13554432 is an abundant number, since it is smaller than the sum of its proper divisors (28388448).

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

13554432 is an equidigital number, since it uses as much as digits as its factorization.

13554432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 95 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13554432 is about 3681.6344196566. The cubic root of 13554432 is about 238.4297487012.

Adding to 13554432 its reverse (23445531), we get a palindrome (36999963).

The spelling of 13554432 in words is "thirteen million, five hundred fifty-four thousand, four hundred thirty-two".