12810730 has 16 divisors (see below), whose sum is σ = 23151744. Its totient is φ = 5103760.

The previous prime is 12810727. The next prime is 12810757. The reversal of 12810730 is 3701821.

It is a super-2 number, since 2×12810730² = 328229606265800, which contains 22 as substring.

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, 195 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (1446984).

Almost surely, 2^12810730 is an apocalyptic number.

12810730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12810730 is a deficient number, since it is larger than the sum of its proper divisors (10341014).

12810730 is a wasteful number, since it uses less digits than its factorization.

12810730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12810730 is about 3579.2080129548. The cubic root of 12810730 is about 233.9867647809.

The spelling of 12810730 in words is "twelve million, eight hundred ten thousand, seven hundred thirty".