12905234 has 8 divisors (see below), whose sum is σ = 19401228. Its totient is φ = 6438160.

The previous prime is 12905219. The next prime is 12905251. The reversal of 12905234 is 43250921.

It can be written as a sum of positive squares in 2 ways, for example, as 12780625 + 124609 = 3575^2 + 353^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 7920.

Almost surely, 2^12905234 is an apocalyptic number.

12905234 is a deficient number, since it is larger than the sum of its proper divisors (6495994).

12905234 is a wasteful number, since it uses less digits than its factorization.

12905234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12905234 is about 3592.3855583720. The cubic root of 12905234 is about 234.5607245869.

The spelling of 12905234 in words is "twelve million, nine hundred five thousand, two hundred thirty-four".