12477994 has 8 divisors (see below), whose sum is σ = 18756000. Its totient is φ = 6225996.

The previous prime is 12477989. The next prime is 12478001. The reversal of 12477994 is 49977421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12477994.

It is an unprimeable number.

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, 5254 + ... + 7249.

It is an arithmetic number, because the mean of its divisors is an integer number (2344500).

Almost surely, 2^12477994 is an apocalyptic number.

12477994 is a deficient number, since it is larger than the sum of its proper divisors (6278006).

12477994 is a wasteful number, since it uses less digits than its factorization.

12477994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004.

The product of its digits is 127008, while the sum is 43.

The square root of 12477994 is about 3532.4204166548. The cubic root of 12477994 is about 231.9431712771.

The spelling of 12477994 in words is "twelve million, four hundred seventy-seven thousand, nine hundred ninety-four".