13749746712 has 96 divisors (see below), whose sum is σ = 38228363280. Its totient is φ = 4116303360.

The previous prime is 13749746687. The next prime is 13749746743. The reversal of 13749746712 is 21764794731.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104262 + ... + 195882.

Almost surely, 2^13749746712 is an apocalyptic number.

13749746712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13749746712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19114181640).

13749746712 is an abundant number, since it is smaller than the sum of its proper divisors (24478616568).

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

13749746712 is a wasteful number, since it uses less digits than its factorization.

13749746712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91693 (or 91676 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The spelling of 13749746712 in words is "thirteen billion, seven hundred forty-nine million, seven hundred forty-six thousand, seven hundred twelve".