13219830 has 48 divisors (see below), whose sum is σ = 37018800. Its totient is φ = 3253824.

The previous prime is 13219813. The next prime is 13219861. The reversal of 13219830 is 3891231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13219794 and 13219803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4480 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (771225).

Almost surely, 2^13219830 is an apocalyptic number.

13219830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13219830 is an abundant number, since it is smaller than the sum of its proper divisors (23798970).

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

13219830 is a wasteful number, since it uses less digits than its factorization.

13219830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325 (or 11322 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13219830 is about 3635.9084146881. The cubic root of 13219830 is about 236.4514364958.

The spelling of 13219830 in words is "thirteen million, two hundred nineteen thousand, eight hundred thirty".