12999404 has 12 divisors (see below), whose sum is σ = 24817128. Its totient is φ = 5908800.

The previous prime is 12999397. The next prime is 12999409. The reversal of 12999404 is 40499921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12999409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147677 + ... + 147764.

It is an arithmetic number, because the mean of its divisors is an integer number (2068094).

Almost surely, 2^12999404 is an apocalyptic number.

It is an amenable number.

12999404 is a deficient number, since it is larger than the sum of its proper divisors (11817724).

12999404 is a wasteful number, since it uses less digits than its factorization.

12999404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295456 (or 295454 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12999404 is about 3605.4686241874. The cubic root of 12999404 is about 235.1298753954.

The spelling of 12999404 in words is "twelve million, nine hundred ninety-nine thousand, four hundred four".