1373399 has 8 divisors (see below), whose sum is σ = 1444992. Its totient is φ = 1302840.

The previous prime is 1373381. The next prime is 1373417. The reversal of 1373399 is 9933731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1373381) and next prime (1373417).

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

It is a cyclic number.

It is not a de Polignac number, because 1373399 - 2¹⁶ = 1307863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4712 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (180624).

2^1373399 is an apocalyptic number.

1373399 is a deficient number, since it is larger than the sum of its proper divisors (71593).

1373399 is a wasteful number, since it uses less digits than its factorization.

1373399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its digits is 15309, while the sum is 35.

The square root of 1373399 is about 1171.9210724277. The cubic root of 1373399 is about 111.1558290744.

The spelling of 1373399 in words is "one million, three hundred seventy-three thousand, three hundred ninety-nine".