12474543 has 4 divisors (see below), whose sum is σ = 16632728. Its totient is φ = 8316360.

The previous prime is 12474541. The next prime is 12474559. The reversal of 12474543 is 34547421.

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

It is not a de Polignac number, because 12474543 - 2¹ = 12474541 is a prime.

It is a super-2 number, since 2×12474543² = 311228446117698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12474543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12474541) 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, 2079088 + ... + 2079093.

It is an arithmetic number, because the mean of its divisors is an integer number (4158182).

Almost surely, 2^12474543 is an apocalyptic number.

12474543 is a deficient number, since it is larger than the sum of its proper divisors (4158185).

12474543 is an equidigital number, since it uses as much as digits as its factorization.

12474543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158184.

The product of its digits is 13440, while the sum is 30.

The square root of 12474543 is about 3531.9319076109. The cubic root of 12474543 is about 231.9217867050.

The spelling of 12474543 in words is "twelve million, four hundred seventy-four thousand, five hundred forty-three".