12520959 has 24 divisors (see below), whose sum is σ = 19439280. Its totient is φ = 7138560.

The previous prime is 12520957. The next prime is 12520967. The reversal of 12520959 is 95902521.

12520959 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 12520959 - 2¹ = 12520957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5157 + ... + 7185.

It is an arithmetic number, because the mean of its divisors is an integer number (809970).

Almost surely, 2^12520959 is an apocalyptic number.

12520959 is a deficient number, since it is larger than the sum of its proper divisors (6918321).

12520959 is a wasteful number, since it uses less digits than its factorization.

12520959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 12520959 is about 3538.4967147081. The cubic root of 12520959 is about 232.2090799990.

The spelling of 12520959 in words is "twelve million, five hundred twenty thousand, nine hundred fifty-nine".