12946433745 has 64 divisors (see below), whose sum is σ = 24516182016. Its totient is φ = 5708931840.

The previous prime is 12946433741. The next prime is 12946433749. The reversal of 12946433745 is 54733464921.

It is a happy number.

12946433745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12946433741) and next prime (12946433749).

It is not a de Polignac number, because 12946433745 - 2² = 12946433741 is a prime.

It is a super-2 number, since 2×12946433745² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12946433694 and 12946433703.

It is not an unprimeable number, because it can be changed into a prime (12946433741) 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 63 ways as a sum of consecutive naturals, for example, 1025562 + ... + 1038108.

It is an arithmetic number, because the mean of its divisors is an integer number (383065344).

Almost surely, 2^12946433745 is an apocalyptic number.

12946433745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12946433745 is a deficient number, since it is larger than the sum of its proper divisors (11569748271).

12946433745 is a wasteful number, since it uses less digits than its factorization.

12946433745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12910.

The product of its digits is 2177280, while the sum is 48.

The spelling of 12946433745 in words is "twelve billion, nine hundred forty-six million, four hundred thirty-three thousand, seven hundred forty-five".