1315938 has 16 divisors (see below), whose sum is σ = 2834496. Its totient is φ = 404880.

The previous prime is 1315931. The next prime is 1315943. The reversal of 1315938 is 8395131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1315931) 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 7 ways as a sum of consecutive naturals, for example, 8358 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (177156).

2^1315938 is an apocalyptic number.

1315938 is an abundant number, since it is smaller than the sum of its proper divisors (1518558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315938 is a wasteful number, since it uses less digits than its factorization.

1315938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16889.

The product of its digits is 3240, while the sum is 30.

The square root of 1315938 is about 1147.1434086460. The cubic root of 1315938 is about 109.5834937935.

It can be divided in two parts, 13 and 15938, that added together give a palindrome (15951).

The spelling of 1315938 in words is "one million, three hundred fifteen thousand, nine hundred thirty-eight".