12994805 has 8 divisors (see below), whose sum is σ = 15888312. Its totient is φ = 10199488.

The previous prime is 12994777. The next prime is 12994811. The reversal of 12994805 is 50849921.

12994805 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6240004 + 6754801 = 2498^2 + 2599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12994805 - 2²² = 8800501 is a prime.

It is a Duffinian number.

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, 24254 + ... + 24783.

It is an arithmetic number, because the mean of its divisors is an integer number (1986039).

Almost surely, 2^12994805 is an apocalyptic number.

It is an amenable number.

12994805 is a deficient number, since it is larger than the sum of its proper divisors (2893507).

12994805 is an equidigital number, since it uses as much as digits as its factorization.

12994805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49095.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12994805 is about 3604.8307865973. The cubic root of 12994805 is about 235.1021436152.

The spelling of 12994805 in words is "twelve million, nine hundred ninety-four thousand, eight hundred five".