9912925 has 36 divisors (see below), whose sum is σ = 14100660. Its totient is φ = 6899200.

The previous prime is 9912913. The next prime is 9912937. The reversal of 9912925 is 5292199.

9912925 = T₁₁₉ + T₁₂₀ + ... + T₃₉₃.

9912925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9912913) and next prime (9912937).

It can be written as a sum of positive squares in 6 ways, for example, as 1920996 + 7991929 = 1386^2 + 2827^2 .

It is not a de Polignac number, because 9912925 - 2⁵ = 9912893 is a prime.

9912925 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87669 + ... + 87781.

It is an arithmetic number, because the mean of its divisors is an integer number (391685).

Almost surely, 2^9912925 is an apocalyptic number.

It is an amenable number.

9912925 is a deficient number, since it is larger than the sum of its proper divisors (4187735).

9912925 is a wasteful number, since it uses less digits than its factorization.

9912925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 158 counting only the distinct ones).

The product of its digits is 14580, while the sum is 37.

The square root of 9912925 is about 3148.4797918996. The cubic root of 9912925 is about 214.8163204982.

It can be divided in two parts, 991 and 2925, that added together give a triangular number (3916 = T₈₈).

The spelling of 9912925 in words is "nine million, nine hundred twelve thousand, nine hundred twenty-five".