13545432 has 48 divisors (see below), whose sum is σ = 36855000. Its totient is φ = 4494336.

The previous prime is 13545401. The next prime is 13545437. The reversal of 13545432 is 23454531.

It is a junction number, because it is equal to n+sod(n) for n = 13545396 and 13545405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545437) 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, 29944 + ... + 30392.

Almost surely, 2^13545432 is an apocalyptic number.

13545432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13545432 is an abundant number, since it is smaller than the sum of its proper divisors (23309568).

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

13545432 is a wasteful number, since it uses less digits than its factorization.

13545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 873 counting only the distinct ones).

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

The square root of 13545432 is about 3680.4119334661. The cubic root of 13545432 is about 238.3769654035.

Adding to 13545432 its reverse (23454531), we get a palindrome (36999963).

Subtracting 13545432 from its reverse (23454531), we obtain a palindrome (9909099).

It can be divided in two parts, 1354 and 5432, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 13545432 in words is "thirteen million, five hundred forty-five thousand, four hundred thirty-two".