13201105428 has 144 divisors (see below), whose sum is σ = 39517296000. Its totient is φ = 3635622144.

The previous prime is 13201105397. The next prime is 13201105439. The reversal of 13201105428 is 82450110231.

13201105428 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 110 + 542 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6057243 + ... + 6059421.

Almost surely, 2^13201105428 is an apocalyptic number.

13201105428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13201105428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19758648000).

13201105428 is an abundant number, since it is smaller than the sum of its proper divisors (26316190572).

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

13201105428 is a wasteful number, since it uses less digits than its factorization.

13201105428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 13201105428 its reverse (82450110231), we get a palindrome (95651215659).

The spelling of 13201105428 in words is "thirteen billion, two hundred one million, one hundred five thousand, four hundred twenty-eight".