13923906 has 8 divisors (see below), whose sum is σ = 27847824. Its totient is φ = 4641300.

The previous prime is 13923893. The next prime is 13923907. The reversal of 13923906 is 60932931.

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

13923906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13923907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160320 + ... + 1160331.

It is an arithmetic number, because the mean of its divisors is an integer number (3480978).

Almost surely, 2^13923906 is an apocalyptic number.

13923906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13923906 is a wasteful number, since it uses less digits than its factorization.

13923906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320656.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13923906 is about 3731.4750434647. The cubic root of 13923906 is about 240.5767725014.

The spelling of 13923906 in words is "thirteen million, nine hundred twenty-three thousand, nine hundred six".