12122929 has 16 divisors (see below), whose sum is σ = 15079680. Its totient is φ = 9489600.

The previous prime is 12122879. The next prime is 12122933. The reversal of 12122929 is 92922121.

It is a cyclic number.

It is not a de Polignac number, because 12122929 - 2¹³ = 12114737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12122897 and 12122906.

It is not an unprimeable number, because it can be changed into a prime (12120929) 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, 8532 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^12122929 is an apocalyptic number.

It is an amenable number.

12122929 is a deficient number, since it is larger than the sum of its proper divisors (2956751).

12122929 is a wasteful number, since it uses less digits than its factorization.

12122929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its digits is 1296, while the sum is 28.

The square root of 12122929 is about 3481.7996783273. The cubic root of 12122929 is about 229.7219639679.

The spelling of 12122929 in words is "twelve million, one hundred twenty-two thousand, nine hundred twenty-nine".