1313893 has 4 divisors (see below), whose sum is σ = 1501600. Its totient is φ = 1126188.

The previous prime is 1313891. The next prime is 1313899. The reversal of 1313893 is 3983131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1313893 - 2¹ = 1313891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313891) 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, 93843 + ... + 93856.

It is an arithmetic number, because the mean of its divisors is an integer number (375400).

2^1313893 is an apocalyptic number.

It is an amenable number.

1313893 is a deficient number, since it is larger than the sum of its proper divisors (187707).

1313893 is an equidigital number, since it uses as much as digits as its factorization.

1313893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187706.

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

The square root of 1313893 is about 1146.2517175560. The cubic root of 1313893 is about 109.5266992156.

It can be divided in two parts, 13138 and 93, that added together give a palindrome (13231).

The spelling of 1313893 in words is "one million, three hundred thirteen thousand, eight hundred ninety-three".