12571995 has 8 divisors (see below), whose sum is σ = 20115216. Its totient is φ = 6705056.

The previous prime is 12571991. The next prime is 12571997. The reversal of 12571995 is 59917521.

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 12571995 - 2² = 12571991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12571991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419052 + ... + 419081.

It is an arithmetic number, because the mean of its divisors is an integer number (2514402).

Almost surely, 2^12571995 is an apocalyptic number.

12571995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12571995 is a deficient number, since it is larger than the sum of its proper divisors (7543221).

12571995 is an equidigital number, since it uses as much as digits as its factorization.

12571995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838141.

The product of its digits is 28350, while the sum is 39.

The square root of 12571995 is about 3545.7009180132. The cubic root of 12571995 is about 232.5241505726.

The spelling of 12571995 in words is "twelve million, five hundred seventy-one thousand, nine hundred ninety-five".