13898045 has 16 divisors (see below), whose sum is σ = 19240320. Its totient is φ = 9440064.

The previous prime is 13898033. The next prime is 13898077. The reversal of 13898045 is 54089831.

It is a cyclic number.

It is not a de Polignac number, because 13898045 - 2¹² = 13893949 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1994 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1202520).

Almost surely, 2^13898045 is an apocalyptic number.

It is an amenable number.

13898045 is a deficient number, since it is larger than the sum of its proper divisors (5342275).

13898045 is a wasteful number, since it uses less digits than its factorization.

13898045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 13898045 is about 3728.0081813215. The cubic root of 13898045 is about 240.4277383707.

The spelling of 13898045 in words is "thirteen million, eight hundred ninety-eight thousand, forty-five".