1313895207 has 4 divisors (see below), whose sum is σ = 1751860280. Its totient is φ = 875930136.

The previous prime is 1313895203. The next prime is 1313895211. The reversal of 1313895207 is 7025983131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7025983131 = 3 ⋅2341994377.

It is an interprime number because it is at equal distance from previous prime (1313895203) and next prime (1313895211).

It is not a de Polignac number, because 1313895207 - 2² = 1313895203 is a prime.

It is a super-2 number, since 2×1313895207² = 3452641229955145698, which contains 22 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 (1313895203) 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, 218982532 + ... + 218982537.

It is an arithmetic number, because the mean of its divisors is an integer number (437965070).

Almost surely, 2^1313895207 is an apocalyptic number.

1313895207 is a deficient number, since it is larger than the sum of its proper divisors (437965073).

1313895207 is an equidigital number, since it uses as much as digits as its factorization.

1313895207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437965072.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1313895207 is about 36247.6924368987. The cubic root of 1313895207 is about 1095.2676054109.

It can be divided in two parts, 13138 and 95207, that added together give a triangular number (108345 = T₄₆₅).

The spelling of 1313895207 in words is "one billion, three hundred thirteen million, eight hundred ninety-five thousand, two hundred seven".