12704049 has 24 divisors (see below), whose sum is σ = 19891872. Its totient is φ = 7781760.

The previous prime is 12704023. The next prime is 12704089. The reversal of 12704049 is 94040721.

It is a happy number.

It is not a de Polignac number, because 12704049 - 2⁸ = 12703793 is a prime.

It is a super-2 number, since 2×12704049² = 322785721988802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12704009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5614 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (828828).

Almost surely, 2^12704049 is an apocalyptic number.

It is an amenable number.

12704049 is a deficient number, since it is larger than the sum of its proper divisors (7187823).

12704049 is a wasteful number, since it uses less digits than its factorization.

12704049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12704049 is about 3564.2739793680. The cubic root of 12704049 is about 233.3354473731.

The spelling of 12704049 in words is "twelve million, seven hundred four thousand, forty-nine".