12974809 has 8 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 12742800.

The previous prime is 12974747. The next prime is 12974813. The reversal of 12974809 is 90847921.

12974809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12974809 - 2⁷ = 12974681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12974839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159 + ... + 18859.

It is an arithmetic number, because the mean of its divisors is an integer number (1651104).

Almost surely, 2^12974809 is an apocalyptic number.

It is an amenable number.

12974809 is a deficient number, since it is larger than the sum of its proper divisors (234023).

12974809 is an equidigital number, since it uses as much as digits as its factorization.

12974809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12974809 is about 3602.0562183286. The cubic root of 12974809 is about 234.9814924311.

The spelling of 12974809 in words is "twelve million, nine hundred seventy-four thousand, eight hundred nine".