11646406 has 8 divisors (see below), whose sum is σ = 17507520. Its totient is φ = 5810568.

The previous prime is 11646403. The next prime is 11646407. The reversal of 11646406 is 60464611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11646403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (2188440).

Almost surely, 2^11646406 is an apocalyptic number.

11646406 is a deficient number, since it is larger than the sum of its proper divisors (5861114).

11646406 is a wasteful number, since it uses less digits than its factorization.

11646406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 11646406 is about 3412.6831086405. The cubic root of 11646406 is about 226.6717035597.

The spelling of 11646406 in words is "eleven million, six hundred forty-six thousand, four hundred six".