13247154032896 has 81 divisors (see below), whose sum is σ = 30760660816389. Its totient is φ = 5677177024512.

The previous prime is 13247154032891. The next prime is 13247154032939. The reversal of 13247154032896 is 69823045174231.

The square root of 13247154032896 is 3639664.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10883137081600 + 2364016951296 = 3298960^2 + 1537536^2 .

It is not an unprimeable number, because it can be changed into a prime (13247154032891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 407626120 + ... + 407658616.

It is a 1-persistent number, because it is pandigital, but 2⋅13247154032896 = 26494308065792 is not.

Almost surely, 2^{13247154032896} is an apocalyptic number.

13247154032896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13247154032896 is the 3639664-th square number.

It is an amenable number.

13247154032896 is an abundant number, since it is smaller than the sum of its proper divisors (17513506783493).

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

13247154032896 is an frugal number, since it uses more digits than its factorization.

13247154032896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65024 (or 32506 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 13247154032896 in words is "thirteen trillion, two hundred forty-seven billion, one hundred fifty-four million, thirty-two thousand, eight hundred ninety-six".