12630929 has 4 divisors (see below), whose sum is σ = 12641076. Its totient is φ = 12620784.

The previous prime is 12630913. The next prime is 12630941. The reversal of 12630929 is 92903621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92903621 = 31 ⋅2996891.

It can be written as a sum of positive squares in 2 ways, for example, as 6760000 + 5870929 = 2600^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12630929 - 2⁴ = 12630913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12630895 and 12630904.

It is not an unprimeable number, because it can be changed into a prime (12630029) 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, 2894 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (3160269).

Almost surely, 2^12630929 is an apocalyptic number.

It is an amenable number.

12630929 is a deficient number, since it is larger than the sum of its proper divisors (10147).

12630929 is an equidigital number, since it uses as much as digits as its factorization.

12630929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 12630929 is about 3554.0018289247. The cubic root of 12630929 is about 232.8869203911.

The spelling of 12630929 in words is "twelve million, six hundred thirty thousand, nine hundred twenty-nine".