1828713 has 4 divisors (see below), whose sum is σ = 2438288. Its totient is φ = 1219140.

The previous prime is 1828709. The next prime is 1828727. The reversal of 1828713 is 3178281.

It is a happy number.

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 1828713 - 2² = 1828709 is a prime.

It is a D-number.

It is a Duffinian number.

1828713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1828703) 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, 304783 + ... + 304788.

It is an arithmetic number, because the mean of its divisors is an integer number (609572).

2^1828713 is an apocalyptic number.

It is an amenable number.

1828713 is a deficient number, since it is larger than the sum of its proper divisors (609575).

1828713 is an equidigital number, since it uses as much as digits as its factorization.

1828713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609574.

The product of its digits is 2688, while the sum is 30.

The square root of 1828713 is about 1352.2991532941. The cubic root of 1828713 is about 122.2874392379.

The spelling of 1828713 in words is "one million, eight hundred twenty-eight thousand, seven hundred thirteen".