12578006 has 12 divisors (see below), whose sum is σ = 21947508. Its totient is φ = 5390532.

The previous prime is 12577997. The next prime is 12578009. The reversal of 12578006 is 60087521.

It is a self number, because there is not a number n which added to its sum of digits gives 12578006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578009) 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 5 ways as a sum of consecutive naturals, for example, 64076 + ... + 64271.

It is an arithmetic number, because the mean of its divisors is an integer number (1828959).

Almost surely, 2^12578006 is an apocalyptic number.

12578006 is a deficient number, since it is larger than the sum of its proper divisors (9369502).

12578006 is a wasteful number, since it uses less digits than its factorization.

12578006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128363 (or 128356 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12578006 is about 3546.5484629425. The cubic root of 12578006 is about 232.5612032962.

The spelling of 12578006 in words is "twelve million, five hundred seventy-eight thousand, six".