13912238 has 8 divisors (see below), whose sum is σ = 20985480. Its totient is φ = 6917080.

The previous prime is 13912231. The next prime is 13912253. The reversal of 13912238 is 83221931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13912238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912231) 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, 19073 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (2623185).

Almost surely, 2^13912238 is an apocalyptic number.

13912238 is a deficient number, since it is larger than the sum of its proper divisors (7073242).

13912238 is a wasteful number, since it uses less digits than its factorization.

13912238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39042.

The product of its digits is 2592, while the sum is 29.

The square root of 13912238 is about 3729.9112589980. The cubic root of 13912238 is about 240.5095539533.

The spelling of 13912238 in words is "thirteen million, nine hundred twelve thousand, two hundred thirty-eight".