11861941 has 24 divisors (see below), whose sum is σ = 15131904. Its totient is φ = 9097920.

The previous prime is 11861921. The next prime is 11861953. The reversal of 11861941 is 14916811.

It is not a de Polignac number, because 11861941 - 2⁹ = 11861429 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11861921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43636 + ... + 43906.

It is an arithmetic number, because the mean of its divisors is an integer number (630496).

Almost surely, 2^11861941 is an apocalyptic number.

It is an amenable number.

11861941 is a deficient number, since it is larger than the sum of its proper divisors (3269963).

11861941 is a wasteful number, since it uses less digits than its factorization.

11861941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its digits is 1728, while the sum is 31.

The square root of 11861941 is about 3444.1168679358. The cubic root of 11861941 is about 228.0614702935.

The spelling of 11861941 in words is "eleven million, eight hundred sixty-one thousand, nine hundred forty-one".