11977241 has 4 divisors (see below), whose sum is σ = 12003684. Its totient is φ = 11950800.

The previous prime is 11977193. The next prime is 11977249. The reversal of 11977241 is 14277911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 6869641 = 2260^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 11977241 - 2¹⁸ = 11715097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11977198 and 11977207.

It is not an unprimeable number, because it can be changed into a prime (11977249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12530 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (3000921).

Almost surely, 2^11977241 is an apocalyptic number.

It is an amenable number.

11977241 is a deficient number, since it is larger than the sum of its proper divisors (26443).

11977241 is an equidigital number, since it uses as much as digits as its factorization.

11977241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442.

The product of its digits is 3528, while the sum is 32.

The square root of 11977241 is about 3460.8150774059. The cubic root of 11977241 is about 228.7980205157.

The spelling of 11977241 in words is "eleven million, nine hundred seventy-seven thousand, two hundred forty-one".