11541967 has 2 divisors, whose sum is σ = 11541968. Its totient is φ = 11541966.

The previous prime is 11541947. The next prime is 11541989. The reversal of 11541967 is 76914511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11541967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11541917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770983 + 5770984.

It is an arithmetic number, because the mean of its divisors is an integer number (5770984).

Almost surely, 2^11541967 is an apocalyptic number.

11541967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11541967 is an equidigital number, since it uses as much as digits as its factorization.

11541967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 11541967 is about 3397.3470532167. The cubic root of 11541967 is about 225.9921095217.

The spelling of 11541967 in words is "eleven million, five hundred forty-one thousand, nine hundred sixty-seven".