11412881 has 2 divisors, whose sum is σ = 11412882. Its totient is φ = 11412880.

The previous prime is 11412859. The next prime is 11412911. The reversal of 11412881 is 18821411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 654481 = 3280^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 11412881 - 2¹⁰ = 11411857 is a prime.

It is a super-2 number, since 2×11412881² = 260507705440322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11412881.

It is not a weakly prime, because it can be changed into another prime (11412811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706440 + 5706441.

It is an arithmetic number, because the mean of its divisors is an integer number (5706441).

Almost surely, 2^11412881 is an apocalyptic number.

It is an amenable number.

11412881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11412881 is an equidigital number, since it uses as much as digits as its factorization.

11412881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 26.

The square root of 11412881 is about 3378.2955761745. The cubic root of 11412881 is about 225.1464462253.

The spelling of 11412881 in words is "eleven million, four hundred twelve thousand, eight hundred eighty-one".