12563841 has 8 divisors (see below), whose sum is σ = 16780864. Its totient is φ = 8361360.

The previous prime is 12563839. The next prime is 12563851. The reversal of 12563841 is 14836521.

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

It is not a de Polignac number, because 12563841 - 2¹ = 12563839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12563799 and 12563808.

It is not an unprimeable number, because it can be changed into a prime (12563821) 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, 1426 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (2097608).

Almost surely, 2^12563841 is an apocalyptic number.

It is an amenable number.

12563841 is a deficient number, since it is larger than the sum of its proper divisors (4217023).

12563841 is an equidigital number, since it uses as much as digits as its factorization.

12563841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its digits is 5760, while the sum is 30.

The square root of 12563841 is about 3544.5508883355. The cubic root of 12563841 is about 232.4738691872.

The spelling of 12563841 in words is "twelve million, five hundred sixty-three thousand, eight hundred forty-one".