11986401 has 8 divisors (see below), whose sum is σ = 18265024. Its totient is φ = 6849360.

The previous prime is 11986361. The next prime is 11986417. The reversal of 11986401 is 10468911.

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

It is not a de Polignac number, because 11986401 - 2⁹ = 11985889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11986451) 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, 285370 + ... + 285411.

It is an arithmetic number, because the mean of its divisors is an integer number (2283128).

Almost surely, 2^11986401 is an apocalyptic number.

It is an amenable number.

11986401 is a deficient number, since it is larger than the sum of its proper divisors (6278623).

11986401 is an equidigital number, since it uses as much as digits as its factorization.

11986401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570791.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11986401 is about 3462.1382121458. The cubic root of 11986401 is about 228.8563326600.

The spelling of 11986401 in words is "eleven million, nine hundred eighty-six thousand, four hundred one".