12621368 has 8 divisors (see below), whose sum is σ = 23665080. Its totient is φ = 6310680.

The previous prime is 12621353. The next prime is 12621373. The reversal of 12621368 is 86312621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12621368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788828 + ... + 788843.

It is an arithmetic number, because the mean of its divisors is an integer number (2958135).

Almost surely, 2^12621368 is an apocalyptic number.

It is an amenable number.

12621368 is a deficient number, since it is larger than the sum of its proper divisors (11043712).

12621368 is a wasteful number, since it uses less digits than its factorization.

12621368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577677 (or 1577673 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 12621368 is about 3552.6564708680. The cubic root of 12621368 is about 232.8281441945.

Adding to 12621368 its reverse (86312621), we get a palindrome (98933989).

The spelling of 12621368 in words is "twelve million, six hundred twenty-one thousand, three hundred sixty-eight".