1315613 has 8 divisors (see below), whose sum is σ = 1500408. Its totient is φ = 1142784.

The previous prime is 1315607. The next prime is 1315621. The reversal of 1315613 is 3165131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 1315609 = 2^2 + 1147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315613 - 2⁴ = 1315597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315603) 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, 2756 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (187551).

2^1315613 is an apocalyptic number.

1315613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1315613 is a deficient number, since it is larger than the sum of its proper divisors (184795).

1315613 is a wasteful number, since it uses less digits than its factorization.

1315613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983.

The product of its digits is 270, while the sum is 20.

The square root of 1315613 is about 1147.0017436778. The cubic root of 1315613 is about 109.5744716948.

The spelling of 1315613 in words is "one million, three hundred fifteen thousand, six hundred thirteen".