12812394 has 32 divisors (see below), whose sum is σ = 29569536. Its totient is φ = 3625200.

The previous prime is 12812389. The next prime is 12812411. The reversal of 12812394 is 49321821.

It is a super-2 number, since 2×12812394² = 328314880022472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (924048).

Almost surely, 2^12812394 is an apocalyptic number.

12812394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12812394 is an abundant number, since it is smaller than the sum of its proper divisors (16757142).

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

12812394 is a wasteful number, since it uses less digits than its factorization.

12812394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970.

The product of its digits is 3456, while the sum is 30.

The square root of 12812394 is about 3579.4404590662. The cubic root of 12812394 is about 233.9968952762.

The spelling of 12812394 in words is "twelve million, eight hundred twelve thousand, three hundred ninety-four".