12904473 has 8 divisors (see below), whose sum is σ = 17239936. Its totient is φ = 8586000.

The previous prime is 12904469. The next prime is 12904481. The reversal of 12904473 is 37440921.

It is a happy number.

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

It is not a de Polignac number, because 12904473 - 2² = 12904469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12904473.

It is not an unprimeable number, because it can be changed into a prime (12904483) 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, 2353 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (2154992).

Almost surely, 2^12904473 is an apocalyptic number.

It is an amenable number.

12904473 is a deficient number, since it is larger than the sum of its proper divisors (4335463).

12904473 is an equidigital number, since it uses as much as digits as its factorization.

12904473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12904473 is about 3592.2796383355. The cubic root of 12904473 is about 234.5561139454.

The spelling of 12904473 in words is "twelve million, nine hundred four thousand, four hundred seventy-three".