11143967 has 2 divisors, whose sum is σ = 11143968. Its totient is φ = 11143966.

The previous prime is 11143963. The next prime is 11143981. The reversal of 11143967 is 76934111.

11143967 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 is a cyclic number.

It is not a de Polignac number, because 11143967 - 2² = 11143963 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571983 + 5571984.

It is an arithmetic number, because the mean of its divisors is an integer number (5571984).

Almost surely, 2^11143967 is an apocalyptic number.

11143967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143967 is an equidigital number, since it uses as much as digits as its factorization.

11143967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 11143967 is about 3338.2580786991. The cubic root of 11143967 is about 223.3640483980.

The spelling of 11143967 in words is "eleven million, one hundred forty-three thousand, nine hundred sixty-seven".