12756430 has 8 divisors (see below), whose sum is σ = 22961592. Its totient is φ = 5102568.

The previous prime is 12756413. The next prime is 12756431. The reversal of 12756430 is 3465721.

12756430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637812 + ... + 637831.

It is an arithmetic number, because the mean of its divisors is an integer number (2870199).

Almost surely, 2^12756430 is an apocalyptic number.

12756430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12756430 is a deficient number, since it is larger than the sum of its proper divisors (10205162).

12756430 is a wasteful number, since it uses less digits than its factorization.

12756430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275650.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12756430 is about 3571.6144808756. The cubic root of 12756430 is about 233.6557018096.

The spelling of 12756430 in words is "twelve million, seven hundred fifty-six thousand, four hundred thirty".