12520359 has 8 divisors (see below), whose sum is σ = 18548720. Its totient is φ = 8346888.

The previous prime is 12520351. The next prime is 12520367. The reversal of 12520359 is 95302521.

It is an interprime number because it is at equal distance from previous prime (12520351) and next prime (12520367).

It is not a de Polignac number, because 12520359 - 2³ = 12520351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 463717 = 12520359 / (1 + 2 + 5 + 2 + 0 + 3 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231832 + ... + 231885.

It is an arithmetic number, because the mean of its divisors is an integer number (2318590).

Almost surely, 2^12520359 is an apocalyptic number.

12520359 is a deficient number, since it is larger than the sum of its proper divisors (6028361).

12520359 is an equidigital number, since it uses as much as digits as its factorization.

12520359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463726 (or 463720 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12520359 is about 3538.4119319265. The cubic root of 12520359 is about 232.2053708137.

The spelling of 12520359 in words is "twelve million, five hundred twenty thousand, three hundred fifty-nine".