1313587 has 4 divisors (see below), whose sum is σ = 1433016. Its totient is φ = 1194160.

The previous prime is 1313579. The next prime is 1313597. The reversal of 1313587 is 7853131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1313587 - 2³ = 1313579 is a prime.

It is a Duffinian number.

1313587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1313567) 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, 59698 + ... + 59719.

It is an arithmetic number, because the mean of its divisors is an integer number (358254).

2^1313587 is an apocalyptic number.

1313587 is a deficient number, since it is larger than the sum of its proper divisors (119429).

1313587 is a wasteful number, since it uses less digits than its factorization.

1313587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119428.

The product of its digits is 2520, while the sum is 28.

The square root of 1313587 is about 1146.1182312484. The cubic root of 1313587 is about 109.5181957905.

The spelling of 1313587 in words is "one million, three hundred thirteen thousand, five hundred eighty-seven".