12497067745 has 4 divisors (see below), whose sum is σ = 14996481300. Its totient is φ = 9997654192.

The previous prime is 12497067707. The next prime is 12497067797. The reversal of 12497067745 is 54776079421.

It is a happy number.

12497067745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9867839569 + 2629228176 = 99337^2 + 51276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12497067745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12497067692 and 12497067701.

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 3 ways as a sum of consecutive naturals, for example, 1249706770 + ... + 1249706779.

It is an arithmetic number, because the mean of its divisors is an integer number (3749120325).

Almost surely, 2^12497067745 is an apocalyptic number.

It is an amenable number.

12497067745 is a deficient number, since it is larger than the sum of its proper divisors (2499413555).

12497067745 is an equidigital number, since it uses as much as digits as its factorization.

12497067745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499413554.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 12497067745 in words is "twelve billion, four hundred ninety-seven million, sixty-seven thousand, seven hundred forty-five".