12994632545 has 32 divisors (see below), whose sum is σ = 16758620160. Its totient is φ = 9654059520.

The previous prime is 12994632527. The next prime is 12994632571. The reversal of 12994632545 is 54523649921.

It is not a de Polignac number, because 12994632545 - 2⁶ = 12994632481 is a prime.

It is a super-3 number, since 3×12994632545³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12994632493 and 12994632502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403136 + ... + 434174.

It is an arithmetic number, because the mean of its divisors is an integer number (523706880).

Almost surely, 2^12994632545 is an apocalyptic number.

It is an amenable number.

12994632545 is a deficient number, since it is larger than the sum of its proper divisors (3763987615).

12994632545 is a wasteful number, since it uses less digits than its factorization.

12994632545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185.

The product of its digits is 2332800, while the sum is 50.

The spelling of 12994632545 in words is "twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, five hundred forty-five".