11965141 has 4 divisors (see below), whose sum is σ = 12168000. Its totient is φ = 11762284.

The previous prime is 11965091. The next prime is 11965157. The reversal of 11965141 is 14156911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11965141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965181) 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 in 3 ways as a sum of consecutive naturals, for example, 101341 + ... + 101458.

It is an arithmetic number, because the mean of its divisors is an integer number (3042000).

Almost surely, 2^11965141 is an apocalyptic number.

It is an amenable number.

11965141 is a deficient number, since it is larger than the sum of its proper divisors (202859).

11965141 is an equidigital number, since it uses as much as digits as its factorization.

11965141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202858.

The product of its digits is 1080, while the sum is 28.

The square root of 11965141 is about 3459.0664925670. The cubic root of 11965141 is about 228.7209468711.

The spelling of 11965141 in words is "eleven million, nine hundred sixty-five thousand, one hundred forty-one".