12478899 has 8 divisors (see below), whose sum is σ = 16750800. Its totient is φ = 8263136.

The previous prime is 12478891. The next prime is 12478909. The reversal of 12478899 is 99887421.

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 12478899 - 2³ = 12478891 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12478891) 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, 13512 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (2093850).

Almost surely, 2^12478899 is an apocalyptic number.

12478899 is a deficient number, since it is larger than the sum of its proper divisors (4271901).

12478899 is a wasteful number, since it uses less digits than its factorization.

12478899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069.

The product of its digits is 290304, while the sum is 48.

The square root of 12478899 is about 3532.5485134673. The cubic root of 12478899 is about 231.9487785751.

The spelling of 12478899 in words is "twelve million, four hundred seventy-eight thousand, eight hundred ninety-nine".