12381629 has 8 divisors (see below), whose sum is σ = 13396992. Its totient is φ = 11375280.

The previous prime is 12381599. The next prime is 12381641. The reversal of 12381629 is 92618321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12381629 - 2⁸ = 12381373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12381595 and 12381604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (1674624).

Almost surely, 2^12381629 is an apocalyptic number.

It is an amenable number.

12381629 is a deficient number, since it is larger than the sum of its proper divisors (1015363).

12381629 is a wasteful number, since it uses less digits than its factorization.

12381629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

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

The square root of 12381629 is about 3518.7538987545. The cubic root of 12381629 is about 231.3445443458.

The spelling of 12381629 in words is "twelve million, three hundred eighty-one thousand, six hundred twenty-nine".