12486799 has 4 divisors (see below), whose sum is σ = 13447336. Its totient is φ = 11526264.

The previous prime is 12486779. The next prime is 12486811. The reversal of 12486799 is 99768421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99768421 = 131 ⋅761591.

It is a cyclic number.

It is not a de Polignac number, because 12486799 - 2⁷ = 12486671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12486709) 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, 480249 + ... + 480274.

It is an arithmetic number, because the mean of its divisors is an integer number (3361834).

Almost surely, 2^12486799 is an apocalyptic number.

12486799 is a deficient number, since it is larger than the sum of its proper divisors (960537).

12486799 is an equidigital number, since it uses as much as digits as its factorization.

12486799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960536.

The product of its digits is 217728, while the sum is 46.

The square root of 12486799 is about 3533.6665094488. Note that the first 3 decimals coincide. The cubic root of 12486799 is about 231.9977147516.

The spelling of 12486799 in words is "twelve million, four hundred eighty-six thousand, seven hundred ninety-nine".