12126829 has 16 divisors (see below), whose sum is σ = 14374080. Its totient is φ = 10085760.

The previous prime is 12126791. The next prime is 12126839. The reversal of 12126829 is 92862121.

12126829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12126829 - 2¹¹ = 12124781 is a prime.

It is a Duffinian number.

12126829 is a modest number, since divided by 26829 gives 121 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 12126829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126839) 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, 19282 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (898380).

Almost surely, 2^12126829 is an apocalyptic number.

It is an amenable number.

12126829 is a deficient number, since it is larger than the sum of its proper divisors (2247251).

12126829 is a wasteful number, since it uses less digits than its factorization.

12126829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its digits is 3456, while the sum is 31.

The square root of 12126829 is about 3482.3596884871. The cubic root of 12126829 is about 229.7465955181.

The spelling of 12126829 in words is "twelve million, one hundred twenty-six thousand, eight hundred twenty-nine".