12727473 has 32 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 7151040.

The previous prime is 12727471. The next prime is 12727483. The reversal of 12727473 is 37472721.

It is not a de Polignac number, because 12727473 - 2¹ = 12727471 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 (12727471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33040 + ... + 33422.

It is an arithmetic number, because the mean of its divisors is an integer number (622080).

Almost surely, 2^12727473 is an apocalyptic number.

It is an amenable number.

12727473 is a deficient number, since it is larger than the sum of its proper divisors (7179087).

12727473 is a wasteful number, since it uses less digits than its factorization.

12727473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

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

The square root of 12727473 is about 3567.5584087720. The cubic root of 12727473 is about 233.4787689690.

The spelling of 12727473 in words is "twelve million, seven hundred twenty-seven thousand, four hundred seventy-three".