12621614 has 4 divisors (see below), whose sum is σ = 18932424. Its totient is φ = 6310806.

The previous prime is 12621611. The next prime is 12621647. The reversal of 12621614 is 41612621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41612621 = 107 ⋅388903.

It is a self number, because there is not a number n which added to its sum of digits gives 12621614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621611) 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 as a sum of consecutive naturals, namely, 3155402 + ... + 3155405.

It is an arithmetic number, because the mean of its divisors is an integer number (4733106).

Almost surely, 2^12621614 is an apocalyptic number.

12621614 is a deficient number, since it is larger than the sum of its proper divisors (6310810).

12621614 is an equidigital number, since it uses as much as digits as its factorization.

12621614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310809.

The product of its digits is 576, while the sum is 23.

The square root of 12621614 is about 3552.6910926789. The cubic root of 12621614 is about 232.8296568501.

The spelling of 12621614 in words is "twelve million, six hundred twenty-one thousand, six hundred fourteen".