1315906 has 8 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 643908.

The previous prime is 1315901. The next prime is 1315907. The reversal of 1315906 is 6095131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315901) 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, 6906 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^1315906 is an apocalyptic number.

1315906 is a deficient number, since it is larger than the sum of its proper divisors (700094).

1315906 is a wasteful number, since it uses less digits than its factorization.

1315906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1315906 is about 1147.1294608718. The cubic root of 1315906 is about 109.5826055298.

The spelling of 1315906 in words is "one million, three hundred fifteen thousand, nine hundred six".