12064905 has 48 divisors (see below), whose sum is σ = 22389120. Its totient is φ = 5992704.

The previous prime is 12064901. The next prime is 12064931. The reversal of 12064905 is 50946021.

12064905 is a `hidden beast` number, since 12 + 0 + 649 + 0 + 5 = 666.

It is not a de Polignac number, because 12064905 - 2² = 12064901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12064901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87997 + ... + 88133.

It is an arithmetic number, because the mean of its divisors is an integer number (466440).

Almost surely, 2^12064905 is an apocalyptic number.

12064905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12064905 is a deficient number, since it is larger than the sum of its proper divisors (10324215).

12064905 is a wasteful number, since it uses less digits than its factorization.

12064905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12064905 is about 3473.4572114825. The cubic root of 12064905 is about 229.3548714354.

It can be divided in two parts, 120 and 64905, that added together give a square (65025 = 255²).

The spelling of 12064905 in words is "twelve million, sixty-four thousand, nine hundred five".