12549233 has 4 divisors (see below), whose sum is σ = 12557028. Its totient is φ = 12541440.

The previous prime is 12549223. The next prime is 12549259. The reversal of 12549233 is 33294521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 4892944 = 2767^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 12549233 - 2⁴ = 12549217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12549196 and 12549205.

It is not an unprimeable number, because it can be changed into a prime (12549223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (3139257).

Almost surely, 2^12549233 is an apocalyptic number.

It is an amenable number.

12549233 is a deficient number, since it is larger than the sum of its proper divisors (7795).

12549233 is an equidigital number, since it uses as much as digits as its factorization.

12549233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794.

The product of its digits is 6480, while the sum is 29.

The square root of 12549233 is about 3542.4896612411. The cubic root of 12549233 is about 232.3837349864.

The spelling of 12549233 in words is "twelve million, five hundred forty-nine thousand, two hundred thirty-three".