13770798 has 16 divisors (see below), whose sum is σ = 27585360. Its totient is φ = 4582976.

The previous prime is 13770773. The next prime is 13770803. The reversal of 13770798 is 89707731.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3436 + ... + 6272.

It is an arithmetic number, because the mean of its divisors is an integer number (1724085).

Almost surely, 2^13770798 is an apocalyptic number.

13770798 is an abundant number, since it is smaller than the sum of its proper divisors (13814562).

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

13770798 is a wasteful number, since it uses less digits than its factorization.

13770798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 13770798 is about 3710.9025856252. The cubic root of 13770798 is about 239.6917222452.

The spelling of 13770798 in words is "thirteen million, seven hundred seventy thousand, seven hundred ninety-eight".