13921014 has 8 divisors (see below), whose sum is σ = 27842040. Its totient is φ = 4640336.

The previous prime is 13921013. The next prime is 13921031. The reversal of 13921014 is 41012931.

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

13921014 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13921013) 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, 1160079 + ... + 1160090.

It is an arithmetic number, because the mean of its divisors is an integer number (3480255).

Almost surely, 2^13921014 is an apocalyptic number.

13921014 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.

13921014 is a wasteful number, since it uses less digits than its factorization.

13921014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320174.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13921014 is about 3731.0875090247. The cubic root of 13921014 is about 240.5601153890.

Adding to 13921014 its reverse (41012931), we get a palindrome (54933945).

The spelling of 13921014 in words is "thirteen million, nine hundred twenty-one thousand, fourteen".