12543051 has 8 divisors (see below), whose sum is σ = 17300880. Its totient is φ = 8073632.

The previous prime is 12542989. The next prime is 12543053. The reversal of 12543051 is 15034521.

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 12543051 - 2⁹ = 12542539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12543053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72000 + ... + 72173.

It is an arithmetic number, because the mean of its divisors is an integer number (2162610).

Almost surely, 2^12543051 is an apocalyptic number.

12543051 is a deficient number, since it is larger than the sum of its proper divisors (4757829).

12543051 is a wasteful number, since it uses less digits than its factorization.

12543051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144205.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12543051 is about 3541.6170035734. The cubic root of 12543051 is about 232.3455697797.

Adding to 12543051 its reverse (15034521), we get a palindrome (27577572).

The spelling of 12543051 in words is "twelve million, five hundred forty-three thousand, fifty-one".