12910320 has 160 divisors (see below), whose sum is σ = 45830400. Its totient is φ = 3338496.

The previous prime is 12910301. The next prime is 12910351. The reversal of 12910320 is 2301921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12910293 and 12910302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92811 + ... + 92949.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

Almost surely, 2^12910320 is an apocalyptic number.

12910320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12910320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22915200).

12910320 is an abundant number, since it is smaller than the sum of its proper divisors (32920080).

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

12910320 is a wasteful number, since it uses less digits than its factorization.

12910320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12910320 is about 3593.0933747956. The cubic root of 12910320 is about 234.5915342868.

The spelling of 12910320 in words is "twelve million, nine hundred ten thousand, three hundred twenty".