1313847 has 8 divisors (see below), whose sum is σ = 1946480. Its totient is φ = 875880.

The previous prime is 1313843. The next prime is 1313857. The reversal of 1313847 is 7483131.

It is not a de Polignac number, because 1313847 - 2² = 1313843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48661 = 1313847 / (1 + 3 + 1 + 3 + 8 + 4 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24304 + ... + 24357.

It is an arithmetic number, because the mean of its divisors is an integer number (243310).

2^1313847 is an apocalyptic number.

1313847 is a deficient number, since it is larger than the sum of its proper divisors (632633).

1313847 is an equidigital number, since it uses as much as digits as its factorization.

1313847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48670 (or 48664 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1313847 is about 1146.2316519797. The cubic root of 1313847 is about 109.5254210073.

Adding to 1313847 its reverse (7483131), we get a palindrome (8796978).

It can be divided in two parts, 1313 and 847, that multiplied together give a palindrome (1112111).

The spelling of 1313847 in words is "one million, three hundred thirteen thousand, eight hundred forty-seven".