1399173 has 8 divisors (see below), whose sum is σ = 1873536. Its totient is φ = 928800.

The previous prime is 1399133. The next prime is 1399183. The reversal of 1399173 is 3719931.

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

It is not a de Polignac number, because 1399173 - 2⁶ = 1399109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (234192).

2^1399173 is an apocalyptic number.

It is an amenable number.

1399173 is a deficient number, since it is larger than the sum of its proper divisors (474363).

1399173 is a wasteful number, since it uses less digits than its factorization.

1399173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

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

The square root of 1399173 is about 1182.8664337109. The cubic root of 1399173 is about 111.8468623514.

The spelling of 1399173 in words is "one million, three hundred ninety-nine thousand, one hundred seventy-three".