12949576045 has 32 divisors (see below), whose sum is σ = 18630673920. Its totient is φ = 8452711680.

The previous prime is 12949576021. The next prime is 12949576049. The reversal of 12949576045 is 54067594921.

It is not a de Polignac number, because 12949576045 - 2¹⁷ = 12949444973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12949575983 and 12949576001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949576049) 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 31 ways as a sum of consecutive naturals, for example, 17782 + ... + 161911.

It is an arithmetic number, because the mean of its divisors is an integer number (582208560).

Almost surely, 2^12949576045 is an apocalyptic number.

It is an amenable number.

12949576045 is a deficient number, since it is larger than the sum of its proper divisors (5681097875).

12949576045 is a wasteful number, since it uses less digits than its factorization.

12949576045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179805.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 12949576045 in words is "twelve billion, nine hundred forty-nine million, five hundred seventy-six thousand, forty-five".