1315559 has 8 divisors (see below), whose sum is σ = 1525248. Its totient is φ = 1111320.

The previous prime is 1315553. The next prime is 1315591. The reversal of 1315559 is 9555131.

It is a happy number.

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

It is not a de Polignac number, because 1315559 - 2⁴ = 1315543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315553) 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, 827 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (190656).

2^1315559 is an apocalyptic number.

1315559 is a deficient number, since it is larger than the sum of its proper divisors (209689).

1315559 is an equidigital number, since it uses as much as digits as its factorization.

1315559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its digits is 3375, while the sum is 29.

The square root of 1315559 is about 1146.9782038034. The cubic root of 1315559 is about 109.5729724944.

The spelling of 1315559 in words is "one million, three hundred fifteen thousand, five hundred fifty-nine".