13897018 has 16 divisors (see below), whose sum is σ = 22043520. Its totient is φ = 6552576.

The previous prime is 13896997. The next prime is 13897027. The reversal of 13897018 is 81079831.

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 7 ways as a sum of consecutive naturals, for example, 9055 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (1377720).

Almost surely, 2^13897018 is an apocalyptic number.

13897018 is a deficient number, since it is larger than the sum of its proper divisors (8146502).

13897018 is a wasteful number, since it uses less digits than its factorization.

13897018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 13897018 is about 3727.8704376628. The cubic root of 13897018 is about 240.4218160661.

The spelling of 13897018 in words is "thirteen million, eight hundred ninety-seven thousand, eighteen".