13121095 has 16 divisors (see below), whose sum is σ = 17035200. Its totient is φ = 9644544.

The previous prime is 13121083. The next prime is 13121099. The reversal of 13121095 is 59012131.

It is a de Polignac number, because none of the positive numbers 2^k-13121095 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21606 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 2^13121095 is an apocalyptic number.

13121095 is a deficient number, since it is larger than the sum of its proper divisors (3914105).

13121095 is a wasteful number, since it uses less digits than its factorization.

13121095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 13121095 is about 3622.3052052526. The cubic root of 13121095 is about 235.8613029240.

The spelling of 13121095 in words is "thirteen million, one hundred twenty-one thousand, ninety-five".