12904897 has 8 divisors (see below), whose sum is σ = 13682432. Its totient is φ = 12150000.

The previous prime is 12904883. The next prime is 12904901. The reversal of 12904897 is 79840921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12904897 - 2¹¹ = 12902849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12904807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4479 + ... + 6772.

It is an arithmetic number, because the mean of its divisors is an integer number (1710304).

Almost surely, 2^12904897 is an apocalyptic number.

It is an amenable number.

12904897 is a deficient number, since it is larger than the sum of its proper divisors (777535).

12904897 is a wasteful number, since it uses less digits than its factorization.

12904897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12904897 is about 3592.3386533009. The cubic root of 12904897 is about 234.5586828403.

It can be divided in two parts, 1290489 and 7, that added together give a square (1290496 = 1136²).

The spelling of 12904897 in words is "twelve million, nine hundred four thousand, eight hundred ninety-seven".