12814621 has 8 divisors (see below), whose sum is σ = 13086464. Its totient is φ = 12545280.

The previous prime is 12814601. The next prime is 12814631. The reversal of 12814621 is 12641821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12814621 is a prime.

It is a super-2 number, since 2×12814621² = 328429022747282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12814601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12436 + ... + 13426.

It is an arithmetic number, because the mean of its divisors is an integer number (1635808).

Almost surely, 2^12814621 is an apocalyptic number.

It is an amenable number.

12814621 is a deficient number, since it is larger than the sum of its proper divisors (271843).

12814621 is an equidigital number, since it uses as much as digits as its factorization.

12814621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 768, while the sum is 25.

The square root of 12814621 is about 3579.7515276902. The cubic root of 12814621 is about 234.0104519645.

The spelling of 12814621 in words is "twelve million, eight hundred fourteen thousand, six hundred twenty-one".