12821029 has 8 divisors (see below), whose sum is σ = 14534240. Its totient is φ = 11211696.

The previous prime is 12821027. The next prime is 12821047. The reversal of 12821029 is 92012821.

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 12821029 - 2¹ = 12821027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12820994 and 12821012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25707 + ... + 26200.

It is an arithmetic number, because the mean of its divisors is an integer number (1816780).

Almost surely, 2^12821029 is an apocalyptic number.

12821029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12821029 is a deficient number, since it is larger than the sum of its proper divisors (1713211).

12821029 is a wasteful number, since it uses less digits than its factorization.

12821029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51939.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12821029 is about 3580.6464500143. The cubic root of 12821029 is about 234.0494514037.

The spelling of 12821029 in words is "twelve million, eight hundred twenty-one thousand, twenty-nine".