11941281 has 12 divisors (see below), whose sum is σ = 18816720. Its totient is φ = 7237080.

The previous prime is 11941273. The next prime is 11941289. The reversal of 11941281 is 18214911.

11941281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11941273) and next prime (11941289).

It is not a de Polignac number, because 11941281 - 2³ = 11941273 is a prime.

It is a super-2 number, since 2×11941281² = 285188383841922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11941289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60211 + ... + 60408.

It is an arithmetic number, because the mean of its divisors is an integer number (1568060).

Almost surely, 2^11941281 is an apocalyptic number.

11941281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11941281 is a deficient number, since it is larger than the sum of its proper divisors (6875439).

11941281 is a wasteful number, since it uses less digits than its factorization.

11941281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120636 (or 120633 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 11941281 is about 3455.6158640682. The cubic root of 11941281 is about 228.5688128979.

The spelling of 11941281 in words is "eleven million, nine hundred forty-one thousand, two hundred eighty-one".