12926815147 has 16 divisors (see below), whose sum is σ = 14200572672. Its totient is φ = 11714088960.

The previous prime is 12926815141. The next prime is 12926815151. The reversal of 12926815147 is 74151862921.

It is a cyclic number.

It is not a de Polignac number, because 12926815147 - 2⁷ = 12926815019 is a prime.

It is a super-5 number, since 5×12926815147⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12926815097 and 12926815106.

It is not an unprimeable number, because it can be changed into a prime (12926815141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41563 + ... + 166075.

It is an arithmetic number, because the mean of its divisors is an integer number (887535792).

Almost surely, 2^12926815147 is an apocalyptic number.

12926815147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12926815147 is a deficient number, since it is larger than the sum of its proper divisors (1273757525).

12926815147 is a wasteful number, since it uses less digits than its factorization.

12926815147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124758.

The product of its digits is 241920, while the sum is 46.

The spelling of 12926815147 in words is "twelve billion, nine hundred twenty-six million, eight hundred fifteen thousand, one hundred forty-seven".