12747273 has 32 divisors (see below), whose sum is σ = 21396480. Its totient is φ = 6557760.

The previous prime is 12747257. The next prime is 12747281. The reversal of 12747273 is 37274721.

It is not a de Polignac number, because 12747273 - 2⁴ = 12747257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12747253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31911 + ... + 32307.

It is an arithmetic number, because the mean of its divisors is an integer number (668640).

Almost surely, 2^12747273 is an apocalyptic number.

It is an amenable number.

12747273 is a deficient number, since it is larger than the sum of its proper divisors (8649207).

12747273 is a wasteful number, since it uses less digits than its factorization.

12747273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its digits is 16464, while the sum is 33.

The square root of 12747273 is about 3570.3323374722. The cubic root of 12747273 is about 233.5997797525.

The spelling of 12747273 in words is "twelve million, seven hundred forty-seven thousand, two hundred seventy-three".