13707778252 has 12 divisors (see below), whose sum is σ = 27415556560. Its totient is φ = 5874762096.

The previous prime is 13707778219. The next prime is 13707778267. The reversal of 13707778252 is 25287770731.

13707778252 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13707778196 and 13707778205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244781727 + ... + 244781782.

Almost surely, 2^13707778252 is an apocalyptic number.

It is an amenable number.

13707778252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13707778252 is a wasteful number, since it uses less digits than its factorization.

13707778252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489563520 (or 489563518 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 13707778252 in words is "thirteen billion, seven hundred seven million, seven hundred seventy-eight thousand, two hundred fifty-two".