13892431 has 6 divisors (see below), whose sum is σ = 16160640. Its totient is φ = 11907756.

The previous prime is 13892407. The next prime is 13892441. The reversal of 13892431 is 13429831.

It is not a de Polignac number, because 13892431 - 2¹³ = 13884239 is a prime.

It is a super-2 number, since 2×13892431² = 385999278179522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13892393 and 13892402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13892441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141711 + ... + 141808.

It is an arithmetic number, because the mean of its divisors is an integer number (2693440).

Almost surely, 2^13892431 is an apocalyptic number.

13892431 is a deficient number, since it is larger than the sum of its proper divisors (2268209).

13892431 is an equidigital number, since it uses as much as digits as its factorization.

13892431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283533 (or 283526 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 13892431 is about 3727.2551562779. The cubic root of 13892431 is about 240.3953610806.

The spelling of 13892431 in words is "thirteen million, eight hundred ninety-two thousand, four hundred thirty-one".