11871941 has 4 divisors (see below), whose sum is σ = 12496800. Its totient is φ = 11247084.

The previous prime is 11871929. The next prime is 11871973. The reversal of 11871941 is 14917811.

11871941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14917811 = 563 ⋅26497.

It is a cyclic number.

It is not a de Polignac number, because 11871941 - 2¹⁸ = 11609797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11871898 and 11871907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11801941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312401 + ... + 312438.

It is an arithmetic number, because the mean of its divisors is an integer number (3124200).

Almost surely, 2^11871941 is an apocalyptic number.

It is an amenable number.

11871941 is a deficient number, since it is larger than the sum of its proper divisors (624859).

11871941 is an equidigital number, since it uses as much as digits as its factorization.

11871941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624858.

The product of its digits is 2016, while the sum is 32.

The square root of 11871941 is about 3445.5683130653. The cubic root of 11871941 is about 228.1255400250.

The spelling of 11871941 in words is "eleven million, eight hundred seventy-one thousand, nine hundred forty-one".