1312444707 has 16 divisors (see below), whose sum is σ = 2032703232. Its totient is φ = 737673120.

The previous prime is 1312444681. The next prime is 1312444717. The reversal of 1312444707 is 7074442131.

It is not a de Polignac number, because 1312444707 - 2⁷ = 1312444579 is a prime.

It is a super-2 number, since 2×1312444707² = 3445022217864631698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312444717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510993 + ... + 513554.

It is an arithmetic number, because the mean of its divisors is an integer number (127043952).

Almost surely, 2^1312444707 is an apocalyptic number.

1312444707 is a deficient number, since it is larger than the sum of its proper divisors (720258525).

1312444707 is a wasteful number, since it uses less digits than its factorization.

1312444707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024618.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1312444707 is about 36227.6787415368. The cubic root of 1312444707 is about 1094.8644097242.

Adding to 1312444707 its reverse (7074442131), we get a palindrome (8386886838).

The spelling of 1312444707 in words is "one billion, three hundred twelve million, four hundred forty-four thousand, seven hundred seven".