11990941 has 2 divisors, whose sum is σ = 11990942. Its totient is φ = 11990940.

The previous prime is 11990939. The next prime is 11990947. The reversal of 11990941 is 14909911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 4968441 = 2650^2 + 2229^2 .

It is a cyclic number.

It is not a de Polignac number, because 11990941 - 2¹ = 11990939 is a prime.

Together with 11990939, it forms a pair of twin primes.

It is equal to p₇₈₇₅₂₅ and since 11990941 and 787525 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11990897 and 11990906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11990947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5995470 + 5995471.

It is an arithmetic number, because the mean of its divisors is an integer number (5995471).

Almost surely, 2^11990941 is an apocalyptic number.

It is an amenable number.

11990941 is a deficient number, since it is larger than the sum of its proper divisors (1).

11990941 is an equidigital number, since it uses as much as digits as its factorization.

11990941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 11990941 is about 3462.7938142488. The cubic root of 11990941 is about 228.8852230834.

The spelling of 11990941 in words is "eleven million, nine hundred ninety thousand, nine hundred forty-one".