12404629 has 2 divisors, whose sum is σ = 12404630. Its totient is φ = 12404628.

The previous prime is 12404627. The next prime is 12404647. The reversal of 12404629 is 92640421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12264004 + 140625 = 3502^2 + 375^2 .

It is an emirp because it is prime and its reverse (92640421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12404629 - 2¹ = 12404627 is a prime.

Together with 12404627, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12404597 and 12404606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202314 + 6202315.

It is an arithmetic number, because the mean of its divisors is an integer number (6202315).

Almost surely, 2^12404629 is an apocalyptic number.

It is an amenable number.

12404629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404629 is an equidigital number, since it uses as much as digits as its factorization.

12404629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12404629 is about 3522.0205848348. The cubic root of 12404629 is about 231.4877035703.

The spelling of 12404629 in words is "twelve million, four hundred four thousand, six hundred twenty-nine".