12839630 has 16 divisors (see below), whose sum is σ = 24328080. Its totient is φ = 4865472.

The previous prime is 12839627. The next prime is 12839657. The reversal of 12839630 is 3693821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33599 + ... + 33978.

It is an arithmetic number, because the mean of its divisors is an integer number (1520505).

Almost surely, 2^12839630 is an apocalyptic number.

12839630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12839630 is a deficient number, since it is larger than the sum of its proper divisors (11488450).

12839630 is a wasteful number, since it uses less digits than its factorization.

12839630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67603.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12839630 is about 3583.2429445964. The cubic root of 12839630 is about 234.1625845522.

The spelling of 12839630 in words is "twelve million, eight hundred thirty-nine thousand, six hundred thirty".