1315895 has 24 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 873600.

The previous prime is 1315891. The next prime is 1315901. The reversal of 1315895 is 5985131.

It is not a de Polignac number, because 1315895 - 2² = 1315891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9980 + ... + 10110.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2^1315895 is an apocalyptic number.

1315895 is a deficient number, since it is larger than the sum of its proper divisors (580153).

1315895 is a wasteful number, since it uses less digits than its factorization.

1315895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 184 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 1315895 is about 1147.1246662852. The cubic root of 1315895 is about 109.5823001858.

The spelling of 1315895 in words is "one million, three hundred fifteen thousand, eight hundred ninety-five".