12029549 has 6 divisors (see below), whose sum is σ = 13993614. Its totient is φ = 10311000.

The previous prime is 12029543. The next prime is 12029561. The reversal of 12029549 is 94592021.

It can be written as a sum of positive squares in only one way, i.e., 6853924 + 5175625 = 2618^2 + 2275^2 .

It is not a de Polignac number, because 12029549 - 2²⁰ = 10980973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122702 + ... + 122799.

It is an arithmetic number, because the mean of its divisors is an integer number (2332269).

Almost surely, 2^12029549 is an apocalyptic number.

It is an amenable number.

12029549 is a deficient number, since it is larger than the sum of its proper divisors (1964065).

12029549 is an equidigital number, since it uses as much as digits as its factorization.

12029549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245515 (or 245508 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12029549 is about 3468.3640235708. The cubic root of 12029549 is about 229.1306120395.

The spelling of 12029549 in words is "twelve million, twenty-nine thousand, five hundred forty-nine".