13446206856720 has 640 divisors, whose sum is σ = 51730411898880. Its totient is φ = 3182016337920.

The previous prime is 13446206856713. The next prime is 13446206856749. The reversal of 13446206856720 is 2765860264431.

13446206856720 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 620 + 6 + 8 + 5 + 6 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2612433187 + ... + 2612438333.

It is an arithmetic number, because the mean of its divisors is an integer number (80828768592).

Almost surely, 2^{13446206856720} is an apocalyptic number.

13446206856720 is a gapful number since it is divisible by the number (10) 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 13446206856720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25865205949440).

13446206856720 is an abundant number, since it is smaller than the sum of its proper divisors (38284205042160).

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

13446206856720 is a wasteful number, since it uses less digits than its factorization.

13446206856720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780 (or 7768 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 13446206856720 in words is "thirteen trillion, four hundred forty-six billion, two hundred six million, eight hundred fifty-six thousand, seven hundred twenty".