1312444326 has 16 divisors (see below), whose sum is σ = 2641609584. Its totient is φ = 434694624.

The previous prime is 1312444291. The next prime is 1312444333. The reversal of 1312444326 is 6234442131.

It is a junction number, because it is equal to n+sod(n) for n = 1312444293 and 1312444302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695685 + ... + 697568.

It is an arithmetic number, because the mean of its divisors is an integer number (165100599).

Almost surely, 2^1312444326 is an apocalyptic number.

1312444326 is an abundant number, since it is smaller than the sum of its proper divisors (1329165258).

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

1312444326 is a wasteful number, since it uses less digits than its factorization.

1312444326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393415.

The product of its digits is 13824, while the sum is 30.

The square root of 1312444326 is about 36227.6734831261. The cubic root of 1312444326 is about 1094.8643037786.

Adding to 1312444326 its reverse (6234442131), we get a palindrome (7546886457).

The spelling of 1312444326 in words is "one billion, three hundred twelve million, four hundred forty-four thousand, three hundred twenty-six".