12863320 has 32 divisors (see below), whose sum is σ = 29056320. Its totient is φ = 5125120.

The previous prime is 12863303. The next prime is 12863351. The reversal of 12863320 is 2336821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13665 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (908010).

Almost surely, 2^12863320 is an apocalyptic number.

12863320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12863320 is an abundant number, since it is smaller than the sum of its proper divisors (16193000).

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

12863320 is a wasteful number, since it uses less digits than its factorization.

12863320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12863320 is about 3586.5470859867. The cubic root of 12863320 is about 234.3065114254.

The spelling of 12863320 in words is "twelve million, eight hundred sixty-three thousand, three hundred twenty".