12730838 has 16 divisors (see below), whose sum is σ = 19673280. Its totient is φ = 6175176.

The previous prime is 12730831. The next prime is 12730853. The reversal of 12730838 is 83803721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730831) 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, 14981 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (1229580).

Almost surely, 2^12730838 is an apocalyptic number.

12730838 is a deficient number, since it is larger than the sum of its proper divisors (6942442).

12730838 is a wasteful number, since it uses less digits than its factorization.

12730838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12730838 is about 3568.0299886632. The cubic root of 12730838 is about 233.4993435383.

The spelling of 12730838 in words is "twelve million, seven hundred thirty thousand, eight hundred thirty-eight".