12621829 has 8 divisors (see below), whose sum is σ = 13829760. Its totient is φ = 11424000.

The previous prime is 12621823. The next prime is 12621877. The reversal of 12621829 is 92812621.

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 12621829 - 2⁵ = 12621797 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 12621829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1728720).

Almost surely, 2^12621829 is an apocalyptic number.

It is an amenable number.

12621829 is a deficient number, since it is larger than the sum of its proper divisors (1207931).

12621829 is a wasteful number, since it uses less digits than its factorization.

12621829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 3456, while the sum is 31.

The square root of 12621829 is about 3552.7213513024. The cubic root of 12621829 is about 232.8309788705.

The spelling of 12621829 in words is "twelve million, six hundred twenty-one thousand, eight hundred twenty-nine".