12283947 has 32 divisors (see below), whose sum is σ = 19891200. Its totient is φ = 7446816.

The previous prime is 12283933. The next prime is 12283949. The reversal of 12283947 is 74938221.

It is not a de Polignac number, because 12283947 - 2⁷ = 12283819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12283949) 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 31 ways as a sum of consecutive naturals, for example, 27508 + ... + 27950.

It is an arithmetic number, because the mean of its divisors is an integer number (621600).

Almost surely, 2^12283947 is an apocalyptic number.

12283947 is a deficient number, since it is larger than the sum of its proper divisors (7607253).

12283947 is a wasteful number, since it uses less digits than its factorization.

12283947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 538 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 12283947 is about 3504.8462163125. The cubic root of 12283947 is about 230.7345576368.

The spelling of 12283947 in words is "twelve million, two hundred eighty-three thousand, nine hundred forty-seven".