13248319812 has 96 divisors (see below), whose sum is σ = 38157192192. Its totient is φ = 3483893376.

The previous prime is 13248319801. The next prime is 13248319817. The reversal of 13248319812 is 21891384231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13248319817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361443 + ... + 396405.

It is an arithmetic number, because the mean of its divisors is an integer number (397470752).

Almost surely, 2^13248319812 is an apocalyptic number.

13248319812 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 13248319812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19078596096).

13248319812 is an abundant number, since it is smaller than the sum of its proper divisors (24908872380).

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

13248319812 is a wasteful number, since it uses less digits than its factorization.

13248319812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35337 (or 35335 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The spelling of 13248319812 in words is "thirteen billion, two hundred forty-eight million, three hundred nineteen thousand, eight hundred twelve".