11996406 has 12 divisors (see below), whose sum is σ = 25992252. Its totient is φ = 3998796.

The previous prime is 11996393. The next prime is 11996447. The reversal of 11996406 is 60469911.

11996406 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 640 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333216 + ... + 333251.

It is an arithmetic number, because the mean of its divisors is an integer number (2166021).

Almost surely, 2^11996406 is an apocalyptic number.

11996406 is an abundant number, since it is smaller than the sum of its proper divisors (13995846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11996406 is a wasteful number, since it uses less digits than its factorization.

11996406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666475 (or 666472 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 11996406 is about 3463.5828270737. The cubic root of 11996406 is about 228.9199901008.

The spelling of 11996406 in words is "eleven million, nine hundred ninety-six thousand, four hundred six".