13819794 has 24 divisors (see below), whose sum is σ = 28145520. Its totient is φ = 4523760.

The previous prime is 13819781. The next prime is 13819801. The reversal of 13819794 is 49791831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22017 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (1172730).

Almost surely, 2^13819794 is an apocalyptic number.

13819794 is an abundant number, since it is smaller than the sum of its proper divisors (14325726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13819794 is an equidigital number, since it uses as much as digits as its factorization.

13819794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 685 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 13819794 is about 3717.4983523870. The cubic root of 13819794 is about 239.9756572533.

It can be divided in two parts, 1381 and 9794, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 13819794 in words is "thirteen million, eight hundred nineteen thousand, seven hundred ninety-four".