12905963 has 6 divisors (see below), whose sum is σ = 15013116. Its totient is φ = 11062212.

The previous prime is 12905923. The next prime is 12905969. The reversal of 12905963 is 36950921.

It is not a de Polignac number, because 12905963 - 2¹⁶ = 12840427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12905969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131645 + ... + 131742.

It is an arithmetic number, because the mean of its divisors is an integer number (2502186).

Almost surely, 2^12905963 is an apocalyptic number.

12905963 is a deficient number, since it is larger than the sum of its proper divisors (2107153).

12905963 is an equidigital number, since it uses as much as digits as its factorization.

12905963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263401 (or 263394 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 12905963 is about 3592.4870215493. The cubic root of 12905963 is about 234.5651411812.

The spelling of 12905963 in words is "twelve million, nine hundred five thousand, nine hundred sixty-three".