12959331 has 16 divisors (see below), whose sum is σ = 21543168. Its totient is φ = 6732000.

The previous prime is 12959329. The next prime is 12959351. The reversal of 12959331 is 13395921.

12959331 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 12959331 - 2¹ = 12959329 is a prime.

It is a super-2 number, since 2×12959331² = 335888519935122, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12959292 and 12959301.

It is not an unprimeable number, because it can be changed into a prime (12959351) 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, 27820 + ... + 28281.

It is an arithmetic number, because the mean of its divisors is an integer number (1346448).

Almost surely, 2^12959331 is an apocalyptic number.

12959331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12959331 is a deficient number, since it is larger than the sum of its proper divisors (8583837).

12959331 is a wasteful number, since it uses less digits than its factorization.

12959331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56122.

The product of its digits is 7290, while the sum is 33.

The square root of 12959331 is about 3599.9070821342. The cubic root of 12959331 is about 234.8880166622. Note that the first 3 decimals are identical.

The spelling of 12959331 in words is "twelve million, nine hundred fifty-nine thousand, three hundred thirty-one".