13707985213 has 4 divisors (see below), whose sum is σ = 14762445628. Its totient is φ = 12653524800.

The previous prime is 13707985189. The next prime is 13707985229. The reversal of 13707985213 is 31258970731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2531901124 + 11176084089 = 50318^2 + 105717^2 .

It is a cyclic number.

It is not a de Polignac number, because 13707985213 - 2²¹ = 13705888061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13707985273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527230188 + ... + 527230213.

It is an arithmetic number, because the mean of its divisors is an integer number (3690611407).

Almost surely, 2^13707985213 is an apocalyptic number.

13707985213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13707985213 is a deficient number, since it is larger than the sum of its proper divisors (1054460415).

13707985213 is a wasteful number, since it uses less digits than its factorization.

13707985213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054460414.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 13707985213 in words is "thirteen billion, seven hundred seven million, nine hundred eighty-five thousand, two hundred thirteen".