12321253 has 8 divisors (see below), whose sum is σ = 14822720. Its totient is φ = 10005120.

The previous prime is 12321247. The next prime is 12321289. The reversal of 12321253 is 35212321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12321253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321223) by changing a digit.

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, 46188 + ... + 46453.

It is an arithmetic number, because the mean of its divisors is an integer number (1852840).

Almost surely, 2^12321253 is an apocalyptic number.

It is an amenable number.

12321253 is a deficient number, since it is larger than the sum of its proper divisors (2501467).

12321253 is an equidigital number, since it uses as much as digits as its factorization.

12321253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92667.

The product of its digits is 360, while the sum is 19.

The square root of 12321253 is about 3510.1642411716. The cubic root of 12321253 is about 230.9678996892.

Adding to 12321253 its reverse (35212321), we get a palindrome (47533574).

It can be divided in two parts, 1232 and 1253, that added together give a triangular number (2485 = T₇₀).

The spelling of 12321253 in words is "twelve million, three hundred twenty-one thousand, two hundred fifty-three".