13206432 has 24 divisors (see below), whose sum is σ = 34667136. Its totient is φ = 4402112.

The previous prime is 13206421. The next prime is 13206449. The reversal of 13206432 is 23460231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13206399 and 13206408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68688 + ... + 68879.

It is an arithmetic number, because the mean of its divisors is an integer number (1444464).

Almost surely, 2^13206432 is an apocalyptic number.

13206432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13206432 is an abundant number, since it is smaller than the sum of its proper divisors (21460704).

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

13206432 is a wasteful number, since it uses less digits than its factorization.

13206432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137580 (or 137572 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13206432 is about 3634.0654919800. The cubic root of 13206432 is about 236.3715300932.

Adding to 13206432 its reverse (23460231), we get a palindrome (36666663).

The spelling of 13206432 in words is "thirteen million, two hundred six thousand, four hundred thirty-two".