1313147 has 16 divisors (see below), whose sum is σ = 1547520. Its totient is φ = 1101600.

The previous prime is 1313141. The next prime is 1313153. The reversal of 1313147 is 7413131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313141) and next prime (1313153).

It is a cyclic number.

It is not a de Polignac number, because 1313147 - 2⁶ = 1313083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313141) 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, 12698 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (96720).

2^1313147 is an apocalyptic number.

1313147 is a deficient number, since it is larger than the sum of its proper divisors (234373).

1313147 is a wasteful number, since it uses less digits than its factorization.

1313147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its digits is 252, while the sum is 20.

The square root of 1313147 is about 1145.9262628983. The cubic root of 1313147 is about 109.5059663284.

Adding to 1313147 its reverse (7413131), we get a palindrome (8726278).

The spelling of 1313147 in words is "one million, three hundred thirteen thousand, one hundred forty-seven".