12863830 has 32 divisors (see below), whose sum is σ = 26689536. Its totient is φ = 4372704.

The previous prime is 12863819. The next prime is 12863839. The reversal of 12863830 is 3836821.

It is a junction number, because it is equal to n+sod(n) for n = 12863792 and 12863801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8167 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (834048).

Almost surely, 2^12863830 is an apocalyptic number.

12863830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12863830 is an abundant number, since it is smaller than the sum of its proper divisors (13825706).

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

12863830 is a wasteful number, since it uses less digits than its factorization.

12863830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12863830 is about 3586.6181843068. The cubic root of 12863830 is about 234.3096079495.

The spelling of 12863830 in words is "twelve million, eight hundred sixty-three thousand, eight hundred thirty".