1713993 has 4 divisors (see below), whose sum is σ = 2285328. Its totient is φ = 1142660.

The previous prime is 1713989. The next prime is 1713997. The reversal of 1713993 is 3993171.

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 an interprime number because it is at equal distance from previous prime (1713989) and next prime (1713997).

It is a cyclic number.

It is not a de Polignac number, because 1713993 - 2² = 1713989 is a prime.

It is an Ulam number.

It is a D-number.

1713993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1713997) 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, 285663 + ... + 285668.

It is an arithmetic number, because the mean of its divisors is an integer number (571332).

2^1713993 is an apocalyptic number.

It is an amenable number.

1713993 is a deficient number, since it is larger than the sum of its proper divisors (571335).

1713993 is an equidigital number, since it uses as much as digits as its factorization.

1713993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571334.

The product of its digits is 5103, while the sum is 33.

The square root of 1713993 is about 1309.1955545296. The cubic root of 1713993 is about 119.6748838468.

Adding to 1713993 its sum of digits (33), we get a triangular number (1714026 = T₁₈₅₁).

The spelling of 1713993 in words is "one million, seven hundred thirteen thousand, nine hundred ninety-three".