12995901 has 6 divisors (see below), whose sum is σ = 18771870. Its totient is φ = 8663928.

The previous prime is 12995887. The next prime is 12995903. The reversal of 12995901 is 10959921.

It can be written as a sum of positive squares in only one way, i.e., 12744900 + 251001 = 3570^2 + 501^2 .

It is not a de Polignac number, because 12995901 - 2¹⁵ = 12963133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995903) 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 5 ways as a sum of consecutive naturals, for example, 721986 + ... + 722003.

It is an arithmetic number, because the mean of its divisors is an integer number (3128645).

Almost surely, 2^12995901 is an apocalyptic number.

It is an amenable number.

12995901 is a deficient number, since it is larger than the sum of its proper divisors (5775969).

12995901 is a wasteful number, since it uses less digits than its factorization.

12995901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443995 (or 1443992 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 12995901 is about 3604.9828016233. The cubic root of 12995901 is about 235.1087530437.

The spelling of 12995901 in words is "twelve million, nine hundred ninety-five thousand, nine hundred one".