11882621 has 2 divisors, whose sum is σ = 11882622. Its totient is φ = 11882620.

The previous prime is 11882593. The next prime is 11882639. The reversal of 11882621 is 12628811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 5354596 = 2555^2 + 2314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11882621 is a prime.

It is a super-3 number, since 3×11882621³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11882821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941310 + 5941311.

It is an arithmetic number, because the mean of its divisors is an integer number (5941311).

Almost surely, 2^11882621 is an apocalyptic number.

It is an amenable number.

11882621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11882621 is an equidigital number, since it uses as much as digits as its factorization.

11882621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 29.

The square root of 11882621 is about 3447.1177815677. The cubic root of 11882621 is about 228.1939267795.

The spelling of 11882621 in words is "eleven million, eight hundred eighty-two thousand, six hundred twenty-one".