13859798 has 4 divisors (see below), whose sum is σ = 20789700. Its totient is φ = 6929898.

The previous prime is 13859771. The next prime is 13859809. The reversal of 13859798 is 89795831.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464948 + ... + 3464951.

It is an arithmetic number, because the mean of its divisors is an integer number (5197425).

Almost surely, 2^13859798 is an apocalyptic number.

13859798 is a deficient number, since it is larger than the sum of its proper divisors (6929902).

13859798 is an equidigital number, since it uses as much as digits as its factorization.

13859798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929901.

The product of its digits is 544320, while the sum is 50.

The square root of 13859798 is about 3722.8749643253. The cubic root of 13859798 is about 240.2069857875.

The spelling of 13859798 in words is "thirteen million, eight hundred fifty-nine thousand, seven hundred ninety-eight".