13438896 has 20 divisors (see below), whose sum is σ = 34717272. Its totient is φ = 4479616.

The previous prime is 13438889. The next prime is 13438913. The reversal of 13438896 is 69883431.

It is a happy number.

13438896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 139941 + ... + 140036.

Almost surely, 2^13438896 is an apocalyptic number.

13438896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13438896 is an abundant number, since it is smaller than the sum of its proper divisors (21278376).

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

13438896 is a wasteful number, since it uses less digits than its factorization.

13438896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279988 (or 279982 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 13438896 is about 3665.9099825282. The cubic root of 13438896 is about 237.7503679225.

The spelling of 13438896 in words is "thirteen million, four hundred thirty-eight thousand, eight hundred ninety-six".