12321674 has 8 divisors (see below), whose sum is σ = 18600708. Its totient is φ = 6121440.

The previous prime is 12321653. The next prime is 12321679. The reversal of 12321674 is 47612321.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 714025 = 3407^2 + 845^2 .

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

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

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12321679) 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, 19307 + ... + 19934.

Almost surely, 2^12321674 is an apocalyptic number.

12321674 is a deficient number, since it is larger than the sum of its proper divisors (6279034).

12321674 is a wasteful number, since it uses less digits than its factorization.

12321674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39400.

The product of its digits is 2016, while the sum is 26.

The square root of 12321674 is about 3510.2242093633. The cubic root of 12321674 is about 230.9705302760.

Adding to 12321674 its reverse (47612321), we get a palindrome (59933995).

The spelling of 12321674 in words is "twelve million, three hundred twenty-one thousand, six hundred seventy-four".