12995191 has 8 divisors (see below), whose sum is σ = 15010704. Its totient is φ = 11118720.

The previous prime is 12995189. The next prime is 12995197. The reversal of 12995191 is 19159921.

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 12995191 - 2¹ = 12995189 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 12995191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995197) by changing a digit.

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, 34560 + ... + 34933.

It is an arithmetic number, because the mean of its divisors is an integer number (1876338).

Almost surely, 2^12995191 is an apocalyptic number.

12995191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12995191 is a deficient number, since it is larger than the sum of its proper divisors (2015513).

12995191 is a wasteful number, since it uses less digits than its factorization.

12995191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69521.

The product of its digits is 7290, while the sum is 37.

The square root of 12995191 is about 3604.8843254673. The cubic root of 12995191 is about 235.1044714308.

The spelling of 12995191 in words is "twelve million, nine hundred ninety-five thousand, one hundred ninety-one".