12896554845 has 8 divisors (see below), whose sum is σ = 20634487776. Its totient is φ = 6878162576.

The previous prime is 12896554799. The next prime is 12896554849. The reversal of 12896554845 is 54845569821.

12896554845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12896554845 - 2¹⁴ = 12896538461 is a prime.

It is a super-2 number, since 2×12896554845² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896554849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 429885147 + ... + 429885176.

It is an arithmetic number, because the mean of its divisors is an integer number (2579310972).

Almost surely, 2^12896554845 is an apocalyptic number.

12896554845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12896554845 is a deficient number, since it is larger than the sum of its proper divisors (7737932931).

12896554845 is an equidigital number, since it uses as much as digits as its factorization.

12896554845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859770331.

The product of its digits is 13824000, while the sum is 57.

The spelling of 12896554845 in words is "twelve billion, eight hundred ninety-six million, five hundred fifty-four thousand, eight hundred forty-five".