12583994 has 8 divisors (see below), whose sum is σ = 19063188. Its totient is φ = 6229600.

The previous prime is 12583981. The next prime is 12583997. The reversal of 12583994 is 49938521.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 508369 = 3475^2 + 713^2 .

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12583997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30947 + ... + 31350.

Almost surely, 2^12583994 is an apocalyptic number.

12583994 is a deficient number, since it is larger than the sum of its proper divisors (6479194).

12583994 is a wasteful number, since it uses less digits than its factorization.

12583994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62400.

The product of its digits is 77760, while the sum is 41.

The square root of 12583994 is about 3547.3925635599. The cubic root of 12583994 is about 232.5981025089.

The spelling of 12583994 in words is "twelve million, five hundred eighty-three thousand, nine hundred ninety-four".