12744430 has 16 divisors (see below), whose sum is σ = 22997520. Its totient is φ = 5084992.

The previous prime is 12744419. The next prime is 12744437. The reversal of 12744430 is 3444721.

It is a junction number, because it is equal to n+sod(n) for n = 12744395 and 12744404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12744437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306 + ... + 6034.

It is an arithmetic number, because the mean of its divisors is an integer number (1437345).

Almost surely, 2^12744430 is an apocalyptic number.

12744430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12744430 is a deficient number, since it is larger than the sum of its proper divisors (10253090).

12744430 is a wasteful number, since it uses less digits than its factorization.

12744430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 12744430 is about 3569.9341730626. The cubic root of 12744430 is about 233.5824120234.

The spelling of 12744430 in words is "twelve million, seven hundred forty-four thousand, four hundred thirty".