1313873 has 8 divisors (see below), whose sum is σ = 1479936. Its totient is φ = 1155600.

The previous prime is 1313863. The next prime is 1313881. The reversal of 1313873 is 3783131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313873 - 2⁴ = 1313857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313813) 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, 1586 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (184992).

2^1313873 is an apocalyptic number.

It is an amenable number.

1313873 is a deficient number, since it is larger than the sum of its proper divisors (166063).

1313873 is a wasteful number, since it uses less digits than its factorization.

1313873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its digits is 1512, while the sum is 26.

The square root of 1313873 is about 1146.2429934355. The cubic root of 1313873 is about 109.5261434765.

It can be divided in two parts, 131 and 3873, that added together give a palindrome (4004).

The spelling of 1313873 in words is "one million, three hundred thirteen thousand, eight hundred seventy-three".