1313444012 has 12 divisors (see below), whose sum is σ = 2298798096. Its totient is φ = 656644560.

The previous prime is 1313443997. The next prime is 1313444023. The reversal of 1313444012 is 2104443131.

It is a super-2 number, since 2×1313444012² = 3450270345317312288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37073 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (191566508).

Almost surely, 2^1313444012 is an apocalyptic number.

It is an amenable number.

1313444012 is a deficient number, since it is larger than the sum of its proper divisors (985354084).

1313444012 is a wasteful number, since it uses less digits than its factorization.

1313444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38728 (or 38726 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1313444012 is about 36241.4681269951. The cubic root of 1313444012 is about 1095.1422184843.

Adding to 1313444012 its reverse (2104443131), we get a palindrome (3417887143).

The spelling of 1313444012 in words is "one billion, three hundred thirteen million, four hundred forty-four thousand, twelve".