12734481 has 4 divisors (see below), whose sum is σ = 16979312. Its totient is φ = 8489652.

The previous prime is 12734471. The next prime is 12734537. The reversal of 12734481 is 18443721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12734481 - 2⁷ = 12734353 is a prime.

It is a super-2 number, since 2×12734481² = 324334012678722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12734431) 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 3 ways as a sum of consecutive naturals, for example, 2122411 + ... + 2122416.

It is an arithmetic number, because the mean of its divisors is an integer number (4244828).

Almost surely, 2^12734481 is an apocalyptic number.

It is an amenable number.

12734481 is a deficient number, since it is larger than the sum of its proper divisors (4244831).

12734481 is an equidigital number, since it uses as much as digits as its factorization.

12734481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244830.

The product of its digits is 5376, while the sum is 30.

The square root of 12734481 is about 3568.5404579464. The cubic root of 12734481 is about 233.5216137922.

The spelling of 12734481 in words is "twelve million, seven hundred thirty-four thousand, four hundred eighty-one".