13719845 has 16 divisors (see below), whose sum is σ = 17511552. Its totient is φ = 10296000.

The previous prime is 13719809. The next prime is 13719847. The reversal of 13719845 is 54891731.

13719845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13719845 - 2⁶ = 13719781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13719799 and 13719808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13719847) 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 15 ways as a sum of consecutive naturals, for example, 4970 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (1094472).

Almost surely, 2^13719845 is an apocalyptic number.

It is an amenable number.

13719845 is a deficient number, since it is larger than the sum of its proper divisors (3791707).

13719845 is a wasteful number, since it uses less digits than its factorization.

13719845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its digits is 30240, while the sum is 38.

The square root of 13719845 is about 3704.0309123980. The cubic root of 13719845 is about 239.3957310134.

The spelling of 13719845 in words is "thirteen million, seven hundred nineteen thousand, eight hundred forty-five".