1312244033 has 4 divisors (see below), whose sum is σ = 1325772420. Its totient is φ = 1298715648.

The previous prime is 1312243993. The next prime is 1312244039. The reversal of 1312244033 is 3304422131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 554508304 + 757735729 = 23548^2 + 27527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312244033 - 2¹⁴ = 1312227649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312244039) by changing a digit.

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, 6764048 + ... + 6764241.

It is an arithmetic number, because the mean of its divisors is an integer number (331443105).

Almost surely, 2^1312244033 is an apocalyptic number.

It is an amenable number.

1312244033 is a deficient number, since it is larger than the sum of its proper divisors (13528387).

1312244033 is an equidigital number, since it uses as much as digits as its factorization.

1312244033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13528386.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1312244033 is about 36224.9090129982. The cubic root of 1312244033 is about 1094.8086049556.

Adding to 1312244033 its reverse (3304422131), we get a palindrome (4616666164).

The spelling of 1312244033 in words is "one billion, three hundred twelve million, two hundred forty-four thousand, thirty-three".