12320497 has 4 divisors (see below), whose sum is σ = 14080576. Its totient is φ = 10560420.

The previous prime is 12320491. The next prime is 12320507. The reversal of 12320497 is 79402321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12320497 - 2⁷ = 12320369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320491) 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, 880029 + ... + 880042.

It is an arithmetic number, because the mean of its divisors is an integer number (3520144).

Almost surely, 2^12320497 is an apocalyptic number.

It is an amenable number.

12320497 is a deficient number, since it is larger than the sum of its proper divisors (1760079).

12320497 is an equidigital number, since it uses as much as digits as its factorization.

12320497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760078.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12320497 is about 3510.0565522510. The cubic root of 12320497 is about 230.9631757296.

The spelling of 12320497 in words is "twelve million, three hundred twenty thousand, four hundred ninety-seven".