12833545 has 4 divisors (see below), whose sum is σ = 15400260. Its totient is φ = 10266832.

The previous prime is 12833539. The next prime is 12833549. The reversal of 12833545 is 54533821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54533821 = 277 ⋅196873.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 9809424 = 1739^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 12833545 - 2³ = 12833537 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (12833549) 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, 1283350 + ... + 1283359.

It is an arithmetic number, because the mean of its divisors is an integer number (3850065).

Almost surely, 2^12833545 is an apocalyptic number.

It is an amenable number.

12833545 is a deficient number, since it is larger than the sum of its proper divisors (2566715).

12833545 is an equidigital number, since it uses as much as digits as its factorization.

12833545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566714.

The product of its digits is 14400, while the sum is 31.

The square root of 12833545 is about 3582.3937527860. The cubic root of 12833545 is about 234.1255870042.

The spelling of 12833545 in words is "twelve million, eight hundred thirty-three thousand, five hundred forty-five".