12451322 has 8 divisors (see below), whose sum is σ = 20113716. Its totient is φ = 5746752.

The previous prime is 12451297. The next prime is 12451339. The reversal of 12451322 is 22315421.

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 2076481 = 3221^2 + 1441^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12451294 and 12451303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239423 + ... + 239474.

Almost surely, 2^12451322 is an apocalyptic number.

12451322 is a deficient number, since it is larger than the sum of its proper divisors (7662394).

12451322 is a wasteful number, since it uses less digits than its factorization.

12451322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478912.

The product of its digits is 480, while the sum is 20.

The square root of 12451322 is about 3528.6430819792. The cubic root of 12451322 is about 231.7777920942. Note that the first 4 decimals are identical.

Adding to 12451322 its reverse (22315421), we get a palindrome (34766743).

The spelling of 12451322 in words is "twelve million, four hundred fifty-one thousand, three hundred twenty-two".