13826505708 has 48 divisors (see below), whose sum is σ = 36434161120. Its totient is φ = 4533278400.

The previous prime is 13826505677. The next prime is 13826505709. The reversal of 13826505708 is 80750562831.

13826505708 is a `hidden beast` number, since 1 + 3 + 8 + 26 + 50 + 570 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (13826505709) 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, 1042783 + ... + 1055958.

Almost surely, 2^13826505708 is an apocalyptic number.

13826505708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13826505708 is an abundant number, since it is smaller than the sum of its proper divisors (22607655412).

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

13826505708 is a wasteful number, since it uses less digits than its factorization.

13826505708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098815 (or 2098807 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 13826505708 in words is "thirteen billion, eight hundred twenty-six million, five hundred five thousand, seven hundred eight".