11977841 has 8 divisors (see below), whose sum is σ = 12626280. Its totient is φ = 11345152.

The previous prime is 11977829. The next prime is 11977859. The reversal of 11977841 is 14877911.

It is a happy number.

11977841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6553600 + 5424241 = 2560^2 + 2329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11977841 - 2¹⁴ = 11961457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11977795 and 11977804.

It is not an unprimeable number, because it can be changed into a prime (11977891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (1578285).

Almost surely, 2^11977841 is an apocalyptic number.

It is an amenable number.

11977841 is a deficient number, since it is larger than the sum of its proper divisors (648439).

11977841 is an equidigital number, since it uses as much as digits as its factorization.

11977841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875.

The product of its digits is 14112, while the sum is 38.

The square root of 11977841 is about 3460.9017611022. The cubic root of 11977841 is about 228.8018409982.

The spelling of 11977841 in words is "eleven million, nine hundred seventy-seven thousand, eight hundred forty-one".