13687211400 has 48 divisors (see below), whose sum is σ = 42430357200. Its totient is φ = 3649922880.

The previous prime is 13687211389. The next prime is 13687211407. The reversal of 13687211400 is 411278631.

It is not an unprimeable number, because it can be changed into a prime (13687211407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11405410 + ... + 11406609.

It is an arithmetic number, because the mean of its divisors is an integer number (883965775).

Almost surely, 2^13687211400 is an apocalyptic number.

13687211400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13687211400 is an abundant number, since it is smaller than the sum of its proper divisors (28743145800).

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

13687211400 is a wasteful number, since it uses less digits than its factorization.

13687211400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22812038 (or 22812029 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 13687211400 in words is "thirteen billion, six hundred eighty-seven million, two hundred eleven thousand, four hundred".