13219794 has 64 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 3680640.

The previous prime is 13219777. The next prime is 13219813. The reversal of 13219794 is 49791231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15072 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^13219794 is an apocalyptic number.

13219794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13219794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17216640).

13219794 is an abundant number, since it is smaller than the sum of its proper divisors (21213486).

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

13219794 is a wasteful number, since it uses less digits than its factorization.

13219794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 906 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13219794 is about 3635.9034640650. The cubic root of 13219794 is about 236.4512218622.

The spelling of 13219794 in words is "thirteen million, two hundred nineteen thousand, seven hundred ninety-four".