12321413 has 16 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 10596096.

The previous prime is 12321409. The next prime is 12321431. The reversal of 12321413 is 31412321.

It is a cyclic number.

It is not a de Polignac number, because 12321413 - 2² = 12321409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321391 and 12321400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27848 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^12321413 is an apocalyptic number.

12321413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12321413 is a deficient number, since it is larger than the sum of its proper divisors (1871227).

12321413 is a wasteful number, since it uses less digits than its factorization.

12321413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 144, while the sum is 17.

The square root of 12321413 is about 3510.1870320540. The cubic root of 12321413 is about 230.9688994442.

Adding to 12321413 its reverse (31412321), we get a palindrome (43733734).

The spelling of 12321413 in words is "twelve million, three hundred twenty-one thousand, four hundred thirteen".