1312447325239 has 4 divisors (see below), whose sum is σ = 1312452700560. Its totient is φ = 1312441949920.

The previous prime is 1312447325237. The next prime is 1312447325261. The reversal of 1312447325239 is 9325237442131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312447325239 - 2¹ = 1312447325237 is a prime.

It is a super-3 number, since 3×1312447325239³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312447325237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303074 + ... + 2815855.

It is an arithmetic number, because the mean of its divisors is an integer number (328113175140).

Almost surely, 2^{1312447325239} is an apocalyptic number.

1312447325239 is a deficient number, since it is larger than the sum of its proper divisors (5375321).

1312447325239 is an equidigital number, since it uses as much as digits as its factorization.

1312447325239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375320.

The product of its digits is 1088640, while the sum is 46.

The spelling of 1312447325239 in words is "one trillion, three hundred twelve billion, four hundred forty-seven million, three hundred twenty-five thousand, two hundred thirty-nine".