12475543 has 4 divisors (see below), whose sum is σ = 12508840. Its totient is φ = 12442248.

The previous prime is 12475513. The next prime is 12475649. The reversal of 12475543 is 34557421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12475543 - 2²¹ = 10378391 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12475513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16080 + ... + 16837.

It is an arithmetic number, because the mean of its divisors is an integer number (3127210).

Almost surely, 2^12475543 is an apocalyptic number.

12475543 is a deficient number, since it is larger than the sum of its proper divisors (33297).

12475543 is an equidigital number, since it uses as much as digits as its factorization.

12475543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33296.

The product of its digits is 16800, while the sum is 31.

The square root of 12475543 is about 3532.0734703570. The cubic root of 12475543 is about 231.9279837413.

The spelling of 12475543 in words is "twelve million, four hundred seventy-five thousand, five hundred forty-three".