1399713 has 8 divisors (see below), whose sum is σ = 2132928. Its totient is φ = 799824.

The previous prime is 1399709. The next prime is 1399721. The reversal of 1399713 is 3179931.

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

It is not a de Polignac number, because 1399713 - 2² = 1399709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1399733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33306 + ... + 33347.

It is an arithmetic number, because the mean of its divisors is an integer number (266616).

2^1399713 is an apocalyptic number.

It is an amenable number.

1399713 is a deficient number, since it is larger than the sum of its proper divisors (733215).

1399713 is an equidigital number, since it uses as much as digits as its factorization.

1399713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66663.

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

The square root of 1399713 is about 1183.0946707682. The cubic root of 1399713 is about 111.8612493113.

It can be divided in two parts, 1399 and 713, that added together give a palindrome (2112).

The spelling of 1399713 in words is "one million, three hundred ninety-nine thousand, seven hundred thirteen".