11986261 has 8 divisors (see below), whose sum is σ = 14069120. Its totient is φ = 9996048.

The previous prime is 11986237. The next prime is 11986313. The reversal of 11986261 is 16268911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11986261 - 2¹¹ = 11984213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22881 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (1758640).

Almost surely, 2^11986261 is an apocalyptic number.

It is an amenable number.

11986261 is a deficient number, since it is larger than the sum of its proper divisors (2082859).

11986261 is an equidigital number, since it uses as much as digits as its factorization.

11986261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46323.

The product of its digits is 5184, while the sum is 34.

The square root of 11986261 is about 3462.1179933676. The cubic root of 11986261 is about 228.8554416500.

The spelling of 11986261 in words is "eleven million, nine hundred eighty-six thousand, two hundred sixty-one".