1373233 has 2 divisors, whose sum is σ = 1373234. Its totient is φ = 1373232.

The previous prime is 1373227. The next prime is 1373321. The reversal of 1373233 is 3323731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 91809 = 1132^2 + 303^2 .

It is an emirp because it is prime and its reverse (3323731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1373233 - 2⁵ = 1373201 is a prime.

It is equal to p₁₀₅₁₉₆ and since 1373233 and 105196 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1323233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686616 + 686617.

It is an arithmetic number, because the mean of its divisors is an integer number (686617).

2^1373233 is an apocalyptic number.

It is an amenable number.

1373233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373233 is an equidigital number, since it uses as much as digits as its factorization.

1373233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 22.

The square root of 1373233 is about 1171.8502464052. The cubic root of 1373233 is about 111.1513504994.

Adding to 1373233 its reverse (3323731), we get a palindrome (4696964).

The spelling of 1373233 in words is "one million, three hundred seventy-three thousand, two hundred thirty-three".