13378208 has 12 divisors (see below), whose sum is σ = 26338410. Its totient is φ = 6689088.

The previous prime is 13378171. The next prime is 13378219. The reversal of 13378208 is 80287331.

It can be written as a sum of positive squares in only one way, i.e., 8832784 + 4545424 = 2972^2 + 2132^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 418069 = 13378208 / (1 + 3 + 3 + 7 + 8 + 2 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209003 + ... + 209066.

Almost surely, 2^13378208 is an apocalyptic number.

It is an amenable number.

13378208 is a deficient number, since it is larger than the sum of its proper divisors (12960202).

13378208 is an equidigital number, since it uses as much as digits as its factorization.

13378208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418079 (or 418071 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 13378208 is about 3657.6232720170. The cubic root of 13378208 is about 237.3919464150.

The spelling of 13378208 in words is "thirteen million, three hundred seventy-eight thousand, two hundred eight".