12345734 has 8 divisors (see below), whose sum is σ = 18545880. Its totient is φ = 6163776.

The previous prime is 12345731. The next prime is 12345743. The reversal of 12345734 is 43754321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12345697 and 12345706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699 + ... + 5654.

It is an arithmetic number, because the mean of its divisors is an integer number (2318235).

Almost surely, 2^12345734 is an apocalyptic number.

12345734 is a deficient number, since it is larger than the sum of its proper divisors (6200146).

12345734 is an equidigital number, since it uses as much as digits as its factorization.

12345734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094.

The product of its digits is 10080, while the sum is 29.

The square root of 12345734 is about 3513.6496695032. The cubic root of 12345734 is about 231.1207679198.

The spelling of 12345734 in words is "twelve million, three hundred forty-five thousand, seven hundred thirty-four".