13890298 has 16 divisors (see below), whose sum is σ = 22052736. Its totient is φ = 6548080.

The previous prime is 13890287. The next prime is 13890301. The reversal of 13890298 is 89209831.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13890298.

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, 1140 + ... + 5392.

It is an arithmetic number, because the mean of its divisors is an integer number (1378296).

Almost surely, 2^13890298 is an apocalyptic number.

13890298 is a deficient number, since it is larger than the sum of its proper divisors (8162438).

13890298 is a wasteful number, since it uses less digits than its factorization.

13890298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 13890298 is about 3726.9690097987. The cubic root of 13890298 is about 240.3830572692.

The spelling of 13890298 in words is "thirteen million, eight hundred ninety thousand, two hundred ninety-eight".