12320501 has 4 divisors (see below), whose sum is σ = 12379104. Its totient is φ = 12261900.

The previous prime is 12320491. The next prime is 12320507. The reversal of 12320501 is 10502321.

It is a happy number.

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 12320501 - 2¹⁰ = 12319477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28985 + ... + 29406.

It is an arithmetic number, because the mean of its divisors is an integer number (3094776).

Almost surely, 2^12320501 is an apocalyptic number.

It is an amenable number.

12320501 is a deficient number, since it is larger than the sum of its proper divisors (58603).

12320501 is an equidigital number, since it uses as much as digits as its factorization.

12320501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58602.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12320501 is about 3510.0571220423. The cubic root of 12320501 is about 230.9632007246.

Adding to 12320501 its reverse (10502321), we get a palindrome (22822822).

It can be divided in two parts, 12320 and 501, that added together give a palindrome (12821).

The spelling of 12320501 in words is "twelve million, three hundred twenty thousand, five hundred one".