12543113 has 8 divisors (see below), whose sum is σ = 13805856. Its totient is φ = 11300800.

The previous prime is 12543107. The next prime is 12543121. The reversal of 12543113 is 31134521.

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

It is a cyclic number.

It is not a de Polignac number, because 12543113 - 2¹⁴ = 12526729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12543103) 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 7 ways as a sum of consecutive naturals, for example, 3803 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (1725732).

Almost surely, 2^12543113 is an apocalyptic number.

It is an amenable number.

12543113 is a deficient number, since it is larger than the sum of its proper divisors (1262743).

12543113 is a wasteful number, since it uses less digits than its factorization.

12543113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its digits is 360, while the sum is 20.

The square root of 12543113 is about 3541.6257566265. The cubic root of 12543113 is about 232.3459526053.

Adding to 12543113 its reverse (31134521), we get a palindrome (43677634).

The spelling of 12543113 in words is "twelve million, five hundred forty-three thousand, one hundred thirteen".