11879761 has 2 divisors, whose sum is σ = 11879762. Its totient is φ = 11879760.

The previous prime is 11879759. The next prime is 11879771. The reversal of 11879761 is 16797811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 1252161 = 3260^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 11879761 - 2¹ = 11879759 is a prime.

It is a super-2 number, since 2×11879761² = 282257442834242, which contains 22 as substring.

Together with 11879759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11879771) 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 as a sum of consecutive naturals, namely, 5939880 + 5939881.

It is an arithmetic number, because the mean of its divisors is an integer number (5939881).

Almost surely, 2^11879761 is an apocalyptic number.

It is an amenable number.

11879761 is a deficient number, since it is larger than the sum of its proper divisors (1).

11879761 is an equidigital number, since it uses as much as digits as its factorization.

11879761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 40.

The square root of 11879761 is about 3446.7029172820. The cubic root of 11879761 is about 228.1756174913.

The spelling of 11879761 in words is "eleven million, eight hundred seventy-nine thousand, seven hundred sixty-one".