12941856 has 60 divisors (see below), whose sum is σ = 38069262. Its totient is φ = 4313088.

The previous prime is 12941843. The next prime is 12941857. The reversal of 12941856 is 65814921.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 1245456 = 3420^2 + 1116^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12941856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12941857) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 96 + ... + 5088.

Almost surely, 2^12941856 is an apocalyptic number.

12941856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12941856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19034631).

12941856 is an abundant number, since it is smaller than the sum of its proper divisors (25127406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12941856 is an equidigital number, since it uses as much as digits as its factorization.

12941856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 4998 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12941856 is about 3597.4791173821. The cubic root of 12941856 is about 234.7823909821.

The spelling of 12941856 in words is "twelve million, nine hundred forty-one thousand, eight hundred fifty-six".