12949129 has 4 divisors (see below), whose sum is σ = 13014400. Its totient is φ = 12883860.

The previous prime is 12949117. The next prime is 12949147. The reversal of 12949129 is 92194921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12949129 - 2¹³ = 12940937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12949169) 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 3 ways as a sum of consecutive naturals, for example, 32337 + ... + 32734.

It is an arithmetic number, because the mean of its divisors is an integer number (3253600).

Almost surely, 2^12949129 is an apocalyptic number.

It is an amenable number.

12949129 is a deficient number, since it is larger than the sum of its proper divisors (65271).

12949129 is an equidigital number, since it uses as much as digits as its factorization.

12949129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65270.

The product of its digits is 11664, while the sum is 37.

The square root of 12949129 is about 3598.4898221337. The cubic root of 12949129 is about 234.8263633602.

It can be divided in two parts, 1294912 and 9, that added together give a palindrome (1294921).

The spelling of 12949129 in words is "twelve million, nine hundred forty-nine thousand, one hundred twenty-nine".