11973129 has 16 divisors (see below), whose sum is σ = 18318720. Its totient is φ = 6814080.

The previous prime is 11973113. The next prime is 11973139. The reversal of 11973129 is 92137911.

11973129 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 11973129 - 2⁴ = 11973113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11973129.

It is not an unprimeable number, because it can be changed into a prime (11973139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4887 + ... + 6915.

It is an arithmetic number, because the mean of its divisors is an integer number (1144920).

Almost surely, 2^11973129 is an apocalyptic number.

It is an amenable number.

11973129 is a deficient number, since it is larger than the sum of its proper divisors (6345591).

11973129 is a wasteful number, since it uses less digits than its factorization.

11973129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its digits is 3402, while the sum is 33.

The square root of 11973129 is about 3460.2209467027. The cubic root of 11973129 is about 228.7718340412.

The spelling of 11973129 in words is "eleven million, nine hundred seventy-three thousand, one hundred twenty-nine".