12465321 has 8 divisors (see below), whose sum is σ = 18131424. Its totient is φ = 7554720.

The previous prime is 12465307. The next prime is 12465347. The reversal of 12465321 is 12356421.

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

It is not a de Polignac number, because 12465321 - 2²³ = 4076713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12465291 and 12465300.

It is not an unprimeable number, because it can be changed into a prime (12465221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188836 + ... + 188901.

It is an arithmetic number, because the mean of its divisors is an integer number (2266428).

Almost surely, 2^12465321 is an apocalyptic number.

12465321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12465321 is a deficient number, since it is larger than the sum of its proper divisors (5666103).

12465321 is a wasteful number, since it uses less digits than its factorization.

12465321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377751.

The product of its digits is 1440, while the sum is 24.

The square root of 12465321 is about 3530.6261484332. The cubic root of 12465321 is about 231.8646220196.

Subtracting from 12465321 its reverse (12356421), we obtain a square (108900 = 330²).

The spelling of 12465321 in words is "twelve million, four hundred sixty-five thousand, three hundred twenty-one".