1313570 has 8 divisors (see below), whose sum is σ = 2364444. Its totient is φ = 525424.

The previous prime is 1313569. The next prime is 1313579. The reversal of 1313570 is 753131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1261129 + 52441 = 1123^2 + 229^2 .

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

It is a super-2 number, since 2×1313570² = 3450932289800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65669 + ... + 65688.

2^1313570 is an apocalyptic number.

1313570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313570 is a deficient number, since it is larger than the sum of its proper divisors (1050874).

1313570 is a wasteful number, since it uses less digits than its factorization.

1313570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131364.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1313570 is about 1146.1108148866. The cubic root of 1313570 is about 109.5177233393.

The spelling of 1313570 in words is "one million, three hundred thirteen thousand, five hundred seventy".