12737233 has 4 divisors (see below), whose sum is σ = 13486500. Its totient is φ = 11987968.

The previous prime is 12737189. The next prime is 12737237. The reversal of 12737233 is 33273721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33273721 = 13 ⋅2559517.

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 986049 = 3428^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 12737233 - 2¹⁷ = 12606161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12737237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374608 + ... + 374641.

It is an arithmetic number, because the mean of its divisors is an integer number (3371625).

Almost surely, 2^12737233 is an apocalyptic number.

It is an amenable number.

12737233 is a deficient number, since it is larger than the sum of its proper divisors (749267).

12737233 is an equidigital number, since it uses as much as digits as its factorization.

12737233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749266.

The product of its digits is 5292, while the sum is 28.

The square root of 12737233 is about 3568.9260289336. The cubic root of 12737233 is about 233.5384344016.

The spelling of 12737233 in words is "twelve million, seven hundred thirty-seven thousand, two hundred thirty-three".