12863328 has 24 divisors (see below), whose sum is σ = 33766488. Its totient is φ = 4287744.

The previous prime is 12863303. The next prime is 12863351. The reversal of 12863328 is 82336821.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66901 + ... + 67092.

It is an arithmetic number, because the mean of its divisors is an integer number (1406937).

Almost surely, 2^12863328 is an apocalyptic number.

It is an amenable number.

12863328 is an abundant number, since it is smaller than the sum of its proper divisors (20903160).

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

12863328 is a wasteful number, since it uses less digits than its factorization.

12863328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134006 (or 133998 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 12863328 is about 3586.5482012654. The cubic root of 12863328 is about 234.3065599990.

The spelling of 12863328 in words is "twelve million, eight hundred sixty-three thousand, three hundred twenty-eight".