12756423 has 8 divisors (see below), whose sum is σ = 17404288. Its totient is φ = 8306424.

The previous prime is 12756413. The next prime is 12756431. The reversal of 12756423 is 32465721.

12756423 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 12756423 - 2¹⁰ = 12755399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756413) 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, 49315 + ... + 49572.

It is an arithmetic number, because the mean of its divisors is an integer number (2175536).

Almost surely, 2^12756423 is an apocalyptic number.

12756423 is a deficient number, since it is larger than the sum of its proper divisors (4647865).

12756423 is an equidigital number, since it uses as much as digits as its factorization.

12756423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98933.

The product of its digits is 10080, while the sum is 30.

The square root of 12756423 is about 3571.6135009264. The cubic root of 12756423 is about 233.6556590706.

The spelling of 12756423 in words is "twelve million, seven hundred fifty-six thousand, four hundred twenty-three".