12213029 has 4 divisors (see below), whose sum is σ = 12855840. Its totient is φ = 11570220.

The previous prime is 12213017. The next prime is 12213037. The reversal of 12213029 is 92031221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12213029 - 2⁴ = 12213013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213049) 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, 321377 + ... + 321414.

It is an arithmetic number, because the mean of its divisors is an integer number (3213960).

Almost surely, 2^12213029 is an apocalyptic number.

12213029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12213029 is a deficient number, since it is larger than the sum of its proper divisors (642811).

12213029 is an equidigital number, since it uses as much as digits as its factorization.

12213029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642810.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12213029 is about 3494.7144375471. The cubic root of 12213029 is about 230.2896728264.

The spelling of 12213029 in words is "twelve million, two hundred thirteen thousand, twenty-nine".