12744361 has 6 divisors (see below), whose sum is σ = 14825130. Its totient is φ = 10923696.

The previous prime is 12744353. The next prime is 12744367. The reversal of 12744361 is 16344721.

12744361 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 99225 = 3556^2 + 315^2 .

It is not a de Polignac number, because 12744361 - 2³ = 12744353 is a prime.

It is a Duffinian number.

12744361 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12744367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129996 + ... + 130093.

It is an arithmetic number, because the mean of its divisors is an integer number (2470855).

Almost surely, 2^12744361 is an apocalyptic number.

It is an amenable number.

12744361 is a deficient number, since it is larger than the sum of its proper divisors (2080769).

12744361 is an equidigital number, since it uses as much as digits as its factorization.

12744361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260103 (or 260096 counting only the distinct ones).

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

The square root of 12744361 is about 3569.9245090058. The cubic root of 12744361 is about 233.5819904741.

The spelling of 12744361 in words is "twelve million, seven hundred forty-four thousand, three hundred sixty-one".