12213629 has 2 divisors, whose sum is σ = 12213630. Its totient is φ = 12213628.

The previous prime is 12213623. The next prime is 12213647. The reversal of 12213629 is 92631221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 4401604 = 2795^2 + 2098^2 .

It is an emirp because it is prime and its reverse (92631221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213629 - 2¹⁶ = 12148093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12213598 and 12213607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106814 + 6106815.

It is an arithmetic number, because the mean of its divisors is an integer number (6106815).

Almost surely, 2^12213629 is an apocalyptic number.

It is an amenable number.

12213629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213629 is an equidigital number, since it uses as much as digits as its factorization.

12213629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 12213629 is about 3494.8002804166. The cubic root of 12213629 is about 230.2934439777.

The spelling of 12213629 in words is "twelve million, two hundred thirteen thousand, six hundred twenty-nine".