13408432 has 20 divisors (see below), whose sum is σ = 26584360. Its totient is φ = 6547968.

The previous prime is 13408397. The next prime is 13408463. The reversal of 13408432 is 23480431.

It is a pancake number, because a pancake can be divided into 13408432 parts by 5178 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 13408397 and 13408406.

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, 9057 + ... + 10432.

It is an arithmetic number, because the mean of its divisors is an integer number (1329218).

Almost surely, 2^13408432 is an apocalyptic number.

It is an amenable number.

13408432 is a deficient number, since it is larger than the sum of its proper divisors (13175928).

13408432 is a wasteful number, since it uses less digits than its factorization.

13408432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540 (or 19534 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13408432 is about 3661.7525858528. The cubic root of 13408432 is about 237.5705836377.

Adding to 13408432 its reverse (23480431), we get a palindrome (36888863).

The spelling of 13408432 in words is "thirteen million, four hundred eight thousand, four hundred thirty-two".