13890873 has 16 divisors (see below), whose sum is σ = 19852416. Its totient is φ = 8616960.

The previous prime is 13890839. The next prime is 13890907. The reversal of 13890873 is 37809831.

It is an interprime number because it is at equal distance from previous prime (13890839) and next prime (13890907).

It is not a de Polignac number, because 13890873 - 2¹³ = 13882681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13890973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (1240776).

Almost surely, 2^13890873 is an apocalyptic number.

It is an amenable number.

13890873 is a deficient number, since it is larger than the sum of its proper divisors (5961543).

13890873 is a wasteful number, since it uses less digits than its factorization.

13890873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13890873 is about 3727.0461494326. The cubic root of 13890873 is about 240.3863741731.

The spelling of 13890873 in words is "thirteen million, eight hundred ninety thousand, eight hundred seventy-three".