1313938 has 8 divisors (see below), whose sum is σ = 1976688. Its totient is φ = 655044.

The previous prime is 1313929. The next prime is 1313953. The reversal of 1313938 is 8393131.

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

It is an unprimeable number.

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, 145 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (247086).

2^1313938 is an apocalyptic number.

1313938 is a deficient number, since it is larger than the sum of its proper divisors (662750).

1313938 is a wasteful number, since it uses less digits than its factorization.

1313938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its digits is 1944, while the sum is 28.

The square root of 1313938 is about 1146.2713465842. The cubic root of 1313938 is about 109.5279496080.

The spelling of 1313938 in words is "one million, three hundred thirteen thousand, nine hundred thirty-eight".