1315995 has 16 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 689504.

The previous prime is 1315969. The next prime is 1316009. The reversal of 1315995 is 5995131.

It is a cyclic number.

It is not a de Polignac number, because 1315995 - 2⁶ = 1315931 is a prime.

1315995 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

2^1315995 is an apocalyptic number.

1315995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315995 is a deficient number, since it is larger than the sum of its proper divisors (826725).

1315995 is a wasteful number, since it uses less digits than its factorization.

1315995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its digits is 6075, while the sum is 33.

The square root of 1315995 is about 1147.1682526988. The cubic root of 1315995 is about 109.5850759778.

The spelling of 1315995 in words is "one million, three hundred fifteen thousand, nine hundred ninety-five".