13213800685 has 16 divisors (see below), whose sum is σ = 16466107392. Its totient is φ = 10168761600.

The previous prime is 13213800673. The next prime is 13213800697. The reversal of 13213800685 is 58600831231.

It is an interprime number because it is at equal distance from previous prime (13213800673) and next prime (13213800697).

It is a de Polignac number, because none of the positive numbers 2^k-13213800685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229356 + ... + 281125.

It is an arithmetic number, because the mean of its divisors is an integer number (1029131712).

Almost surely, 2^13213800685 is an apocalyptic number.

It is an amenable number.

13213800685 is a deficient number, since it is larger than the sum of its proper divisors (3252306707).

13213800685 is a wasteful number, since it uses less digits than its factorization.

13213800685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510684.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 13213800685 in words is "thirteen billion, two hundred thirteen million, eight hundred thousand, six hundred eighty-five".