13428030 has 64 divisors (see below), whose sum is σ = 40186368. Its totient is φ = 2789760.

The previous prime is 13427983. The next prime is 13428049. The reversal of 13428030 is 3082431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13427988 and 13428006.

It is a congruent number.

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, 597 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (627912).

Almost surely, 2^13428030 is an apocalyptic number.

13428030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13428030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20093184).

13428030 is an abundant number, since it is smaller than the sum of its proper divisors (26758338).

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

13428030 is a wasteful number, since it uses less digits than its factorization.

13428030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13428030 is about 3664.4276497156. The cubic root of 13428030 is about 237.6862730723.

The spelling of 13428030 in words is "thirteen million, four hundred twenty-eight thousand, thirty".