12497321 has 8 divisors (see below), whose sum is σ = 12787200. Its totient is φ = 12210160.

The previous prime is 12497311. The next prime is 12497323. The reversal of 12497321 is 12379421.

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 12497321 - 2²² = 8303017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12497323) 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, 10715 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (1598400).

Almost surely, 2^12497321 is an apocalyptic number.

It is an amenable number.

12497321 is a deficient number, since it is larger than the sum of its proper divisors (289879).

12497321 is a wasteful number, since it uses less digits than its factorization.

12497321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its digits is 3024, while the sum is 29.

The square root of 12497321 is about 3535.1550178175. The cubic root of 12497321 is about 232.0628607407.

The spelling of 12497321 in words is "twelve million, four hundred ninety-seven thousand, three hundred twenty-one".