13947898 has 16 divisors (see below), whose sum is σ = 21866760. Its totient is φ = 6664000.

The previous prime is 13947883. The next prime is 13947907. The reversal of 13947898 is 89874931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11135569 + 2812329 = 3337^2 + 1677^2 .

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, 4668 + ... + 7048.

Almost surely, 2^13947898 is an apocalyptic number.

13947898 is a deficient number, since it is larger than the sum of its proper divisors (7918862).

13947898 is a wasteful number, since it uses less digits than its factorization.

13947898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513.

The product of its digits is 435456, while the sum is 49.

The square root of 13947898 is about 3734.6884742907. The cubic root of 13947898 is about 240.7148708658.

The spelling of 13947898 in words is "thirteen million, nine hundred forty-seven thousand, eight hundred ninety-eight".