12863147 has 6 divisors (see below), whose sum is σ = 14138964. Its totient is φ = 11693660.

The previous prime is 12863117. The next prime is 12863173. The reversal of 12863147 is 74136821.

It is not a de Polignac number, because 12863147 - 2⁶ = 12863083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12863117) 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 5 ways as a sum of consecutive naturals, for example, 53033 + ... + 53274.

It is an arithmetic number, because the mean of its divisors is an integer number (2356494).

Almost surely, 2^12863147 is an apocalyptic number.

12863147 is a deficient number, since it is larger than the sum of its proper divisors (1275817).

12863147 is a wasteful number, since it uses less digits than its factorization.

12863147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106329 (or 106318 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12863147 is about 3586.5229680012. The cubic root of 12863147 is about 234.3054610173.

Adding to 12863147 its reverse (74136821), we get a palindrome (86999968).

The spelling of 12863147 in words is "twelve million, eight hundred sixty-three thousand, one hundred forty-seven".