12909995 has 8 divisors (see below), whose sum is σ = 17705184. Its totient is φ = 8852544.

The previous prime is 12909989. The next prime is 12909997. The reversal of 12909995 is 59990921.

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 12909995 - 2¹⁶ = 12844459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12909997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184394 + ... + 184463.

It is an arithmetic number, because the mean of its divisors is an integer number (2213148).

Almost surely, 2^12909995 is an apocalyptic number.

12909995 is a deficient number, since it is larger than the sum of its proper divisors (4795189).

12909995 is an equidigital number, since it uses as much as digits as its factorization.

12909995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368869.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 12909995 is about 3593.0481488563. The cubic root of 12909995 is about 234.5895657611.

The spelling of 12909995 in words is "twelve million, nine hundred nine thousand, nine hundred ninety-five".