12995471 has 4 divisors (see below), whose sum is σ = 13117032. Its totient is φ = 12873912.

The previous prime is 12995467. The next prime is 12995491. The reversal of 12995471 is 17459921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12995471 - 2² = 12995467 is a prime.

It is a super-3 number, since 3×12995471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995431) 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 3 ways as a sum of consecutive naturals, for example, 60620 + ... + 60833.

It is an arithmetic number, because the mean of its divisors is an integer number (3279258).

Almost surely, 2^12995471 is an apocalyptic number.

12995471 is a deficient number, since it is larger than the sum of its proper divisors (121561).

12995471 is a wasteful number, since it uses less digits than its factorization.

12995471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121560.

The product of its digits is 22680, while the sum is 38.

The square root of 12995471 is about 3604.9231614557. The cubic root of 12995471 is about 235.1061599728.

The spelling of 12995471 in words is "twelve million, nine hundred ninety-five thousand, four hundred seventy-one".