12543002 has 16 divisors (see below), whose sum is σ = 20088000. Its totient is φ = 5856480.

The previous prime is 12542989. The next prime is 12543053. The reversal of 12543002 is 20034521.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 374 + ... + 5022.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^12543002 is an apocalyptic number.

12543002 is a deficient number, since it is larger than the sum of its proper divisors (7544998).

12543002 is a wasteful number, since it uses less digits than its factorization.

12543002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12543002 is about 3541.6100858225. The cubic root of 12543002 is about 232.3452672232.

Adding to 12543002 its reverse (20034521), we get a palindrome (32577523).

The spelling of 12543002 in words is "twelve million, five hundred forty-three thousand, two".