12345674 has 16 divisors (see below), whose sum is σ = 20696256. Its totient is φ = 5474400.

The previous prime is 12345653. The next prime is 12345701. The reversal of 12345674 is 47654321.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12345674.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 7745.

It is an arithmetic number, because the mean of its divisors is an integer number (1293516).

Almost surely, 2^12345674 is an apocalyptic number.

12345674 is a deficient number, since it is larger than the sum of its proper divisors (8350582).

12345674 is a wasteful number, since it uses less digits than its factorization.

12345674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13741.

The product of its digits is 20160, while the sum is 32.

The square root of 12345674 is about 3513.6411313622. The cubic root of 12345674 is about 231.1203935052.

Adding to 12345674 its reverse (47654321), we get a palindrome (59999995).

The spelling of 12345674 in words is "twelve million, three hundred forty-five thousand, six hundred seventy-four".