1315928 has 16 divisors (see below), whose sum is σ = 2492880. Its totient is φ = 651168.

The previous prime is 1315927. The next prime is 1315931. The reversal of 1315928 is 8295131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (155805).

2^1315928 is an apocalyptic number.

It is an amenable number.

1315928 is a deficient number, since it is larger than the sum of its proper divisors (1176952).

1315928 is a wasteful number, since it uses less digits than its factorization.

1315928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1702 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 1315928 is about 1147.1390499848. The cubic root of 1315928 is about 109.5832162127.

The spelling of 1315928 in words is "one million, three hundred fifteen thousand, nine hundred twenty-eight".