12867830 has 8 divisors (see below), whose sum is σ = 23162112. Its totient is φ = 5147128.

The previous prime is 12867797. The next prime is 12867839. The reversal of 12867830 is 3876821.

12867830 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867839) 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, 643382 + ... + 643401.

It is an arithmetic number, because the mean of its divisors is an integer number (2895264).

Almost surely, 2^12867830 is an apocalyptic number.

12867830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12867830 is a deficient number, since it is larger than the sum of its proper divisors (10294282).

12867830 is a wasteful number, since it uses less digits than its factorization.

12867830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286790.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12867830 is about 3587.1757693205. The cubic root of 12867830 is about 234.3338915754. Note that the first 3 decimals are identical.

The spelling of 12867830 in words is "twelve million, eight hundred sixty-seven thousand, eight hundred thirty".