12905755 has 8 divisors (see below), whose sum is σ = 15526224. Its totient is φ = 10298400.

The previous prime is 12905749. The next prime is 12905773. The reversal of 12905755 is 55750921.

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

It is not a de Polignac number, because 12905755 - 2⁵ = 12905723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12905755.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 961 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (1940778).

Almost surely, 2^12905755 is an apocalyptic number.

12905755 is a deficient number, since it is larger than the sum of its proper divisors (2620469).

12905755 is an equidigital number, since it uses as much as digits as its factorization.

12905755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12905755 is about 3592.4580721283. The cubic root of 12905755 is about 234.5638810450.

The spelling of 12905755 in words is "twelve million, nine hundred five thousand, seven hundred fifty-five".