12345043 has 8 divisors (see below), whose sum is σ = 13639968. Its totient is φ = 11113344.

The previous prime is 12345017. The next prime is 12345049. The reversal of 12345043 is 34054321.

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 12345043 - 2²¹ = 10247891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345049) 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, 15396 + ... + 16177.

It is an arithmetic number, because the mean of its divisors is an integer number (1704996).

Almost surely, 2^12345043 is an apocalyptic number.

12345043 is a deficient number, since it is larger than the sum of its proper divisors (1294925).

12345043 is a wasteful number, since it uses less digits than its factorization.

12345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31613.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12345043 is about 3513.5513373224. The cubic root of 12345043 is about 231.1164558384.

Adding to 12345043 its reverse (34054321), we get a palindrome (46399364).

The spelling of 12345043 in words is "twelve million, three hundred forty-five thousand, forty-three".