13206888838 has 32 divisors (see below), whose sum is σ = 24642727200. Its totient is φ = 5215388160.

The previous prime is 13206888833. The next prime is 13206888839. The reversal of 13206888838 is 83888860231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206888833) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1353313 + ... + 1363036.

It is an arithmetic number, because the mean of its divisors is an integer number (770085225).

Almost surely, 2^13206888838 is an apocalyptic number.

13206888838 is a deficient number, since it is larger than the sum of its proper divisors (11435838362).

13206888838 is a wasteful number, since it uses less digits than its factorization.

13206888838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716392.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 13206888838 in words is "thirteen billion, two hundred six million, eight hundred eighty-eight thousand, eight hundred thirty-eight".