12839470 has 24 divisors (see below), whose sum is σ = 26885304. Its totient is φ = 4401936.

The previous prime is 12839467. The next prime is 12839483. The reversal of 12839470 is 7493821.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12612 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (1120221).

Almost surely, 2^12839470 is an apocalyptic number.

12839470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12839470 is an abundant number, since it is smaller than the sum of its proper divisors (14045834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12839470 is a wasteful number, since it uses less digits than its factorization.

12839470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26224 (or 26217 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12839470 is about 3583.2206183823. The cubic root of 12839470 is about 234.1616118822.

The spelling of 12839470 in words is "twelve million, eight hundred thirty-nine thousand, four hundred seventy".