1333399 has 4 divisors (see below), whose sum is σ = 1355320. Its totient is φ = 1311480.

The previous prime is 1333393. The next prime is 1333411. The reversal of 1333399 is 9933331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9933331 = 197 ⋅50423.

It is a cyclic number.

It is not a de Polignac number, because 1333399 - 2⁷ = 1333271 is a prime.

It is a Duffinian number.

1333399 is a lucky number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1333399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333393) 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, 10869 + ... + 10990.

It is an arithmetic number, because the mean of its divisors is an integer number (338830).

2^1333399 is an apocalyptic number.

1333399 is a deficient number, since it is larger than the sum of its proper divisors (21921).

1333399 is an equidigital number, since it uses as much as digits as its factorization.

1333399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920.

The product of its digits is 6561, while the sum is 31.

The square root of 1333399 is about 1154.7289725299. The cubic root of 1333399 is about 110.0660484881.

The spelling of 1333399 in words is "one million, three hundred thirty-three thousand, three hundred ninety-nine".