11947406 has 8 divisors (see below), whose sum is σ = 18088920. Its totient is φ = 5917768.

The previous prime is 11947387. The next prime is 11947417. The reversal of 11947406 is 60474911.

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

It is a congruent number.

It is an unprimeable number.

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, 27701 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (2261115).

Almost surely, 2^11947406 is an apocalyptic number.

11947406 is a deficient number, since it is larger than the sum of its proper divisors (6141514).

11947406 is a wasteful number, since it uses less digits than its factorization.

11947406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55938.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 11947406 is about 3456.5019890056. The cubic root of 11947406 is about 228.6078858886.

The spelling of 11947406 in words is "eleven million, nine hundred forty-seven thousand, four hundred six".