12839974 has 8 divisors (see below), whose sum is σ = 22011408. Its totient is φ = 5502840.

The previous prime is 12839971. The next prime is 12839989. The reversal of 12839974 is 47993821.

12839974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×12839974³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12839974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458557 + ... + 458584.

It is an arithmetic number, because the mean of its divisors is an integer number (2751426).

Almost surely, 2^12839974 is an apocalyptic number.

12839974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12839974 is a deficient number, since it is larger than the sum of its proper divisors (9171434).

12839974 is an equidigital number, since it uses as much as digits as its factorization.

12839974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917150.

The product of its digits is 108864, while the sum is 43.

The square root of 12839974 is about 3583.2909454857. The cubic root of 12839974 is about 234.1646757654.

The spelling of 12839974 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred seventy-four".