13282840784 has 10 divisors (see below), whose sum is σ = 25735504050. Its totient is φ = 6641420384.

The previous prime is 13282840721. The next prime is 13282840787. The reversal of 13282840784 is 48704828231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6942222400 + 6340618384 = 83320^2 + 79628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13282840787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415088759 + ... + 415088790.

It is an arithmetic number, because the mean of its divisors is an integer number (2573550405).

Almost surely, 2^13282840784 is an apocalyptic number.

It is an amenable number.

13282840784 is a deficient number, since it is larger than the sum of its proper divisors (12452663266).

13282840784 is an equidigital number, since it uses as much as digits as its factorization.

13282840784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830177557 (or 830177551 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 13282840784 in words is "thirteen billion, two hundred eighty-two million, eight hundred forty thousand, seven hundred eighty-four".