12449129 has 16 divisors (see below), whose sum is σ = 15676416. Its totient is φ = 9603600.

The previous prime is 12449119. The next prime is 12449147. The reversal of 12449129 is 92194421.

It is a cyclic number.

It is not a de Polignac number, because 12449129 - 2⁸ = 12448873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12449095 and 12449104.

It is not an unprimeable number, because it can be changed into a prime (12449119) 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, 7484 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 2^12449129 is an apocalyptic number.

It is an amenable number.

12449129 is a deficient number, since it is larger than the sum of its proper divisors (3227287).

12449129 is a wasteful number, since it uses less digits than its factorization.

12449129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636.

The product of its digits is 5184, while the sum is 32.

The square root of 12449129 is about 3528.3323256179. The cubic root of 12449129 is about 231.7641839396.

The spelling of 12449129 in words is "twelve million, four hundred forty-nine thousand, one hundred twenty-nine".