13798816 has 12 divisors (see below), whose sum is σ = 27166482. Its totient is φ = 6899392.

The previous prime is 13798793. The next prime is 13798843. The reversal of 13798816 is 61889731.

It can be written as a sum of positive squares in only one way, i.e., 12988816 + 810000 = 3604^2 + 900^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215575 + ... + 215638.

Almost surely, 2^13798816 is an apocalyptic number.

13798816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13798816 is a deficient number, since it is larger than the sum of its proper divisors (13367666).

13798816 is an equidigital number, since it uses as much as digits as its factorization.

13798816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431223 (or 431215 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 13798816 is about 3714.6757597400. The cubic root of 13798816 is about 239.8541706681.

The spelling of 13798816 in words is "thirteen million, seven hundred ninety-eight thousand, eight hundred sixteen".