12126959 has 16 divisors (see below), whose sum is σ = 14229600. Its totient is φ = 10233216.

The previous prime is 12126953. The next prime is 12126971. The reversal of 12126959 is 95962121.

It is a cyclic number.

It is not a de Polignac number, because 12126959 - 2⁴ = 12126943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126953) 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, 6317 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (889350).

Almost surely, 2^12126959 is an apocalyptic number.

12126959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12126959 is a deficient number, since it is larger than the sum of its proper divisors (2102641).

12126959 is a wasteful number, since it uses less digits than its factorization.

12126959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its digits is 9720, while the sum is 35.

The square root of 12126959 is about 3482.3783539415. The cubic root of 12126959 is about 229.7474164789.

The spelling of 12126959 in words is "twelve million, one hundred twenty-six thousand, nine hundred fifty-nine".