12904667 has 6 divisors (see below), whose sum is σ = 13619988. Its totient is φ = 12225132.

The previous prime is 12904643. The next prime is 12904673. The reversal of 12904667 is 76640921.

It is not a de Polignac number, because 12904667 - 2⁶ = 12904603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12904637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17513 + ... + 18234.

It is an arithmetic number, because the mean of its divisors is an integer number (2269998).

Almost surely, 2^12904667 is an apocalyptic number.

12904667 is a deficient number, since it is larger than the sum of its proper divisors (715321).

12904667 is an equidigital number, since it uses as much as digits as its factorization.

12904667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35785 (or 35766 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12904667 is about 3592.3066405862. The cubic root of 12904667 is about 234.5572893430.

The spelling of 12904667 in words is "twelve million, nine hundred four thousand, six hundred sixty-seven".