12321338 has 8 divisors (see below), whose sum is σ = 18689940. Its totient is φ = 6091360.

The previous prime is 12321319. The next prime is 12321341. The reversal of 12321338 is 83312321.

It can be written as a sum of positive squares in 2 ways, for example, as 11812969 + 508369 = 3437^2 + 713^2 .

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

It is a super-2 number, since 2×12321338² = 303630740220488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34433 + ... + 34788.

Almost surely, 2^12321338 is an apocalyptic number.

12321338 is a deficient number, since it is larger than the sum of its proper divisors (6368602).

12321338 is an equidigital number, since it uses as much as digits as its factorization.

12321338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69312.

The product of its digits is 864, while the sum is 23.

The square root of 12321338 is about 3510.1763488463. The cubic root of 12321338 is about 230.9684308101.

Adding to 12321338 its reverse (83312321), we get a palindrome (95633659).

The spelling of 12321338 in words is "twelve million, three hundred twenty-one thousand, three hundred thirty-eight".