11966427 has 32 divisors (see below), whose sum is σ = 19810560. Its totient is φ = 7076160.

The previous prime is 11966389. The next prime is 11966441. The reversal of 11966427 is 72466911.

11966427 is a `hidden beast` number, since 1 + 1 + 9 + 6 + 642 + 7 = 666.

It is not a de Polignac number, because 11966427 - 2⁶ = 11966363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11966391 and 11966400.

It is not an unprimeable number, because it can be changed into a prime (11966497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12303 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (619080).

Almost surely, 2^11966427 is an apocalyptic number.

11966427 is a deficient number, since it is larger than the sum of its proper divisors (7844133).

11966427 is a wasteful number, since it uses less digits than its factorization.

11966427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 994 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 11966427 is about 3459.2523758755. The cubic root of 11966427 is about 228.7291408015.

The spelling of 11966427 in words is "eleven million, nine hundred sixty-six thousand, four hundred twenty-seven".