13897846 has 4 divisors (see below), whose sum is σ = 20846772. Its totient is φ = 6948922.

The previous prime is 13897843. The next prime is 13897867. The reversal of 13897846 is 64879831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64879831 = 1297 ⋅50023.

It is a junction number, because it is equal to n+sod(n) for n = 13897796 and 13897805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474460 + ... + 3474463.

It is an arithmetic number, because the mean of its divisors is an integer number (5211693).

Almost surely, 2^13897846 is an apocalyptic number.

13897846 is a deficient number, since it is larger than the sum of its proper divisors (6948926).

13897846 is an equidigital number, since it uses as much as digits as its factorization.

13897846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948925.

The product of its digits is 290304, while the sum is 46.

The square root of 13897846 is about 3727.9814913704. The cubic root of 13897846 is about 240.4265908389.

The spelling of 13897846 in words is "thirteen million, eight hundred ninety-seven thousand, eight hundred forty-six".