13898699 has 8 divisors (see below), whose sum is σ = 14329920. Its totient is φ = 13473216.

The previous prime is 13898663. The next prime is 13898701. The reversal of 13898699 is 99689831.

13898699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13898699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13898699.

It is not an unprimeable number, because it can be changed into a prime (13898609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (1791240).

Almost surely, 2^13898699 is an apocalyptic number.

13898699 is a deficient number, since it is larger than the sum of its proper divisors (431221).

13898699 is a wasteful number, since it uses less digits than its factorization.

13898699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its digits is 839808, while the sum is 53.

The square root of 13898699 is about 3728.0958946894. The cubic root of 13898699 is about 240.4315095792.

The spelling of 13898699 in words is "thirteen million, eight hundred ninety-eight thousand, six hundred ninety-nine".