12322404 has 36 divisors (see below), whose sum is σ = 31465980. Its totient is φ = 4065600.

The previous prime is 12322397. The next prime is 12322421. The reversal of 12322404 is 40422321.

It can be written as a sum of positive squares in 2 ways, for example, as 11902500 + 419904 = 3450^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (874055).

Almost surely, 2^12322404 is an apocalyptic number.

It is an amenable number.

12322404 is an abundant number, since it is smaller than the sum of its proper divisors (19143576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322404 is a wasteful number, since it uses less digits than its factorization.

12322404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12322404 is about 3510.3281897851. The cubic root of 12322404 is about 230.9750914841.

Adding to 12322404 its reverse (40422321), we get a palindrome (52744725).

The spelling of 12322404 in words is "twelve million, three hundred twenty-two thousand, four hundred four".