12450543 has 16 divisors (see below), whose sum is σ = 19257600. Its totient is φ = 7007616.

The previous prime is 12450539. The next prime is 12450547. The reversal of 12450543 is 34505421.

It is an interprime number because it is at equal distance from previous prime (12450539) and next prime (12450547).

It is not a de Polignac number, because 12450543 - 2² = 12450539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (1203600).

Almost surely, 2^12450543 is an apocalyptic number.

12450543 is a deficient number, since it is larger than the sum of its proper divisors (6807057).

12450543 is an equidigital number, since it uses as much as digits as its factorization.

12450543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12450543 is about 3528.5326978788. The cubic root of 12450543 is about 231.7729583728.

Adding to 12450543 its reverse (34505421), we get a palindrome (46955964).

The spelling of 12450543 in words is "twelve million, four hundred fifty thousand, five hundred forty-three".