12863258 has 16 divisors (see below), whose sum is σ = 19970496. Its totient is φ = 6209760.

The previous prime is 12863251. The next prime is 12863261. The reversal of 12863258 is 85236821.

It is not an unprimeable number, because it can be changed into a prime (12863251) 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, 7685 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 2^12863258 is an apocalyptic number.

12863258 is a deficient number, since it is larger than the sum of its proper divisors (7107238).

12863258 is a wasteful number, since it uses less digits than its factorization.

12863258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its digits is 23040, while the sum is 35.

The square root of 12863258 is about 3586.5384425655. The cubic root of 12863258 is about 234.3061349796.

The spelling of 12863258 in words is "twelve million, eight hundred sixty-three thousand, two hundred fifty-eight".