12556263 has 8 divisors (see below), whose sum is σ = 16761088. Its totient is φ = 8361144.

The previous prime is 12556261. The next prime is 12556267. The reversal of 12556263 is 36265521.

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

It is not a de Polignac number, because 12556263 - 2¹ = 12556261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12556263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556261) 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, 1506 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (2095136).

Almost surely, 2^12556263 is an apocalyptic number.

12556263 is a deficient number, since it is larger than the sum of its proper divisors (4204825).

12556263 is a wasteful number, since it uses less digits than its factorization.

12556263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its digits is 10800, while the sum is 30.

The square root of 12556263 is about 3543.4817623349. The cubic root of 12556263 is about 232.4271201797.

The spelling of 12556263 in words is "twelve million, five hundred fifty-six thousand, two hundred sixty-three".