13749233 has 2 divisors, whose sum is σ = 13749234. Its totient is φ = 13749232.

The previous prime is 13749191. The next prime is 13749247. The reversal of 13749233 is 33294731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7907344 + 5841889 = 2812^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 13749233 - 2¹⁰ = 13748209 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13749233.

It is not a weakly prime, because it can be changed into another prime (13749283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6874616 + 6874617.

It is an arithmetic number, because the mean of its divisors is an integer number (6874617).

Almost surely, 2^13749233 is an apocalyptic number.

It is an amenable number.

13749233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13749233 is an equidigital number, since it uses as much as digits as its factorization.

13749233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 13749233 is about 3707.9958198466. The cubic root of 13749233 is about 239.5665382018.

The spelling of 13749233 in words is "thirteen million, seven hundred forty-nine thousand, two hundred thirty-three".