12995121 has 8 divisors (see below), whose sum is σ = 17392320. Its totient is φ = 8630672.

The previous prime is 12995117. The next prime is 12995137. The reversal of 12995121 is 12159921.

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 12995121 - 2² = 12995117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12995141) 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, 7245 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (2174040).

Almost surely, 2^12995121 is an apocalyptic number.

It is an amenable number.

12995121 is a deficient number, since it is larger than the sum of its proper divisors (4397199).

12995121 is a wasteful number, since it uses less digits than its factorization.

12995121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16375.

The product of its digits is 1620, while the sum is 30.

The square root of 12995121 is about 3604.8746164048. The cubic root of 12995121 is about 235.1040492915.

The spelling of 12995121 in words is "twelve million, nine hundred ninety-five thousand, one hundred twenty-one".