13259428 has 48 divisors (see below), whose sum is σ = 29008000. Its totient is φ = 5163264.

The previous prime is 13259423. The next prime is 13259443. The reversal of 13259428 is 82495231.

It is a junction number, because it is equal to n+sod(n) for n = 13259393 and 13259402.

It is not an unprimeable number, because it can be changed into a prime (13259423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26323 + ... + 26821.

Almost surely, 2^13259428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13259428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14504000).

13259428 is an abundant number, since it is smaller than the sum of its proper divisors (15748572).

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

13259428 is a wasteful number, since it uses less digits than its factorization.

13259428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 13259428 is about 3641.3497497494. The cubic root of 13259428 is about 236.6872859991.

The spelling of 13259428 in words is "thirteen million, two hundred fifty-nine thousand, four hundred twenty-eight".