13438966 has 8 divisors (see below), whose sum is σ = 21219480. Its totient is φ = 6365808.

The previous prime is 13438933. The next prime is 13438967. The reversal of 13438966 is 66983431.

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 (13438967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176791 + ... + 176866.

It is an arithmetic number, because the mean of its divisors is an integer number (2652435).

Almost surely, 2^13438966 is an apocalyptic number.

13438966 is a deficient number, since it is larger than the sum of its proper divisors (7780514).

13438966 is a wasteful number, since it uses less digits than its factorization.

13438966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353678.

The product of its digits is 93312, while the sum is 40.

The square root of 13438966 is about 3665.9195299406. The cubic root of 13438966 is about 237.7507807168.

The spelling of 13438966 in words is "thirteen million, four hundred thirty-eight thousand, nine hundred sixty-six".