13770233 has 2 divisors, whose sum is σ = 13770234. Its totient is φ = 13770232.

The previous prime is 13770199. The next prime is 13770241. The reversal of 13770233 is 33207731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8048569 + 5721664 = 2837^2 + 2392^2 .

It is an emirp because it is prime and its reverse (33207731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13770233 - 2¹⁰ = 13769209 is a prime.

It is a super-3 number, since 3×13770233³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13770283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6885116 + 6885117.

It is an arithmetic number, because the mean of its divisors is an integer number (6885117).

Almost surely, 2^13770233 is an apocalyptic number.

It is an amenable number.

13770233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13770233 is an equidigital number, since it uses as much as digits as its factorization.

13770233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 13770233 is about 3710.8264578123. The cubic root of 13770233 is about 239.6884441085.

Adding to 13770233 its reverse (33207731), we get a palindrome (46977964).

The spelling of 13770233 in words is "thirteen million, seven hundred seventy thousand, two hundred thirty-three".