12521095 has 16 divisors (see below), whose sum is σ = 16748640. Its totient is φ = 8930304.

The previous prime is 12521087. The next prime is 12521099. The reversal of 12521095 is 59012521.

12521095 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12521095 - 2³ = 12521087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12521099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (1046790).

Almost surely, 2^12521095 is an apocalyptic number.

12521095 is a deficient number, since it is larger than the sum of its proper divisors (4227545).

12521095 is a wasteful number, since it uses less digits than its factorization.

12521095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 12521095 is about 3538.5159318562. The cubic root of 12521095 is about 232.2099207313.

The spelling of 12521095 in words is "twelve million, five hundred twenty-one thousand, ninety-five".