12487841 has 2 divisors, whose sum is σ = 12487842. Its totient is φ = 12487840.

The previous prime is 12487831. The next prime is 12487861. The reversal of 12487841 is 14878421.

12487841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 384400 = 3479^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 12487841 - 2¹⁴ = 12471457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12487801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243920 + 6243921.

It is an arithmetic number, because the mean of its divisors is an integer number (6243921).

Almost surely, 2^12487841 is an apocalyptic number.

It is an amenable number.

12487841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12487841 is an equidigital number, since it uses as much as digits as its factorization.

12487841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 35.

The square root of 12487841 is about 3533.8139453005. The cubic root of 12487841 is about 232.0041678304.

It can be divided in two parts, 1 and 2487841, that added together give a palindrome (2487842).

The spelling of 12487841 in words is "twelve million, four hundred eighty-seven thousand, eight hundred forty-one".