12893839 has 8 divisors (see below), whose sum is σ = 15049728. Its totient is φ = 10816440.

The previous prime is 12893833. The next prime is 12893857. The reversal of 12893839 is 93839821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12893839 - 2³ = 12893831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12893795 and 12893804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19267 + ... + 19924.

It is an arithmetic number, because the mean of its divisors is an integer number (1881216).

Almost surely, 2^12893839 is an apocalyptic number.

12893839 is a deficient number, since it is larger than the sum of its proper divisors (2155889).

12893839 is an equidigital number, since it uses as much as digits as its factorization.

12893839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245.

The product of its digits is 93312, while the sum is 43.

The square root of 12893839 is about 3590.7992146596. The cubic root of 12893839 is about 234.4916671662.

The spelling of 12893839 in words is "twelve million, eight hundred ninety-three thousand, eight hundred thirty-nine".