12734416 has 20 divisors (see below), whose sum is σ = 25140132. Its totient is φ = 6246656.

The previous prime is 12734399. The next prime is 12734419. The reversal of 12734416 is 61443721.

It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 5953600 = 2604^2 + 2440^2 .

It is a super-2 number, since 2×12734416² = 324330701722112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734419) 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, 6661 + ... + 8356.

Almost surely, 2^12734416 is an apocalyptic number.

12734416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12734416 is a deficient number, since it is larger than the sum of its proper divisors (12405716).

12734416 is a wasteful number, since it uses less digits than its factorization.

12734416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078 (or 15072 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 12734416 is about 3568.5313505699. The cubic root of 12734416 is about 233.5212164738.

It can be divided in two parts, 127 and 34416, that added together give a palindrome (34543).

The spelling of 12734416 in words is "twelve million, seven hundred thirty-four thousand, four hundred sixteen".