12545955 has 32 divisors (see below), whose sum is σ = 22464000. Its totient is φ = 6643296.

The previous prime is 12545933. The next prime is 12545957. The reversal of 12545955 is 55954521.

12545955 is a `hidden beast` number, since 12 + 54 + 595 + 5 = 666.

It is not a de Polignac number, because 12545955 - 2¹⁵ = 12513187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12545957) 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 31 ways as a sum of consecutive naturals, for example, 26632 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^12545955 is an apocalyptic number.

12545955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12545955 is a deficient number, since it is larger than the sum of its proper divisors (9918045).

12545955 is a wasteful number, since it uses less digits than its factorization.

12545955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 12545955 is about 3542.0269620656. The cubic root of 12545955 is about 232.3634994809.

The spelling of 12545955 in words is "twelve million, five hundred forty-five thousand, nine hundred fifty-five".