12959285 has 4 divisors (see below), whose sum is σ = 15551148. Its totient is φ = 10367424.

The previous prime is 12959279. The next prime is 12959299. The reversal of 12959285 is 58295921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58295921 = 127 ⋅459023.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 6436369 = 2554^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 12959285 - 2¹⁰ = 12958261 is a prime.

It is a super-2 number, since 2×12959285² = 335886135422450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295924 + ... + 1295933.

It is an arithmetic number, because the mean of its divisors is an integer number (3887787).

Almost surely, 2^12959285 is an apocalyptic number.

It is an amenable number.

12959285 is a deficient number, since it is larger than the sum of its proper divisors (2591863).

12959285 is an equidigital number, since it uses as much as digits as its factorization.

12959285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591862.

The product of its digits is 64800, while the sum is 41.

The square root of 12959285 is about 3599.9006930747. The cubic root of 12959285 is about 234.8877387451.

The spelling of 12959285 in words is "twelve million, nine hundred fifty-nine thousand, two hundred eighty-five".