12129763 has 4 divisors (see below), whose sum is σ = 12657168. Its totient is φ = 11602360.

The previous prime is 12129737. The next prime is 12129769. The reversal of 12129763 is 36792121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36792121 = 2917 ⋅12613.

It is a cyclic number.

It is not a de Polignac number, because 12129763 - 2⁵ = 12129731 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12129769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263668 + ... + 263713.

It is an arithmetic number, because the mean of its divisors is an integer number (3164292).

Almost surely, 2^12129763 is an apocalyptic number.

12129763 is a deficient number, since it is larger than the sum of its proper divisors (527405).

12129763 is an equidigital number, since it uses as much as digits as its factorization.

12129763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527404.

The product of its digits is 4536, while the sum is 31.

The square root of 12129763 is about 3482.7809290853. The cubic root of 12129763 is about 229.7651225421.

The spelling of 12129763 in words is "twelve million, one hundred twenty-nine thousand, seven hundred sixty-three".