1315015 has 8 divisors (see below), whose sum is σ = 1699488. Its totient is φ = 971040.

The previous prime is 1315007. The next prime is 1315019. The reversal of 1315015 is 5105131.

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

It is not a de Polignac number, because 1315015 - 2³ = 1315007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315019) 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, 10051 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (212436).

2^1315015 is an apocalyptic number.

1315015 is a deficient number, since it is larger than the sum of its proper divisors (384473).

1315015 is a wasteful number, since it uses less digits than its factorization.

1315015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1315015 is about 1146.7410344101. The cubic root of 1315015 is about 109.5578671501.

The spelling of 1315015 in words is "one million, three hundred fifteen thousand, fifteen".