13819445 has 8 divisors (see below), whose sum is σ = 16663200. Its totient is φ = 11002320.

The previous prime is 13819433. The next prime is 13819447. The reversal of 13819445 is 54491831.

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

It is not a de Polignac number, because 13819445 - 2⁶ = 13819381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13819447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5495 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (2082900).

Almost surely, 2^13819445 is an apocalyptic number.

It is an amenable number.

13819445 is a deficient number, since it is larger than the sum of its proper divisors (2843755).

13819445 is a wasteful number, since it uses less digits than its factorization.

13819445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315.

The product of its digits is 17280, while the sum is 35.

The square root of 13819445 is about 3717.4514119219. The cubic root of 13819445 is about 239.9736371506.

The spelling of 13819445 in words is "thirteen million, eight hundred nineteen thousand, four hundred forty-five".