11980261 has 2 divisors, whose sum is σ = 11980262. Its totient is φ = 11980260.

The previous prime is 11980247. The next prime is 11980301. The reversal of 11980261 is 16208911.

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., 10929636 + 1050625 = 3306^2 + 1025^2 .

It is an emirp because it is prime and its reverse (16208911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11980261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11980231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990130 + 5990131.

It is an arithmetic number, because the mean of its divisors is an integer number (5990131).

Almost surely, 2^11980261 is an apocalyptic number.

It is an amenable number.

11980261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980261 is an equidigital number, since it uses as much as digits as its factorization.

11980261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11980261 is about 3461.2513633078. The cubic root of 11980261 is about 228.8172489828.

The spelling of 11980261 in words is "eleven million, nine hundred eighty thousand, two hundred sixty-one".