12642593 has 2 divisors, whose sum is σ = 12642594. Its totient is φ = 12642592.

The previous prime is 12642589. The next prime is 12642613. The reversal of 12642593 is 39524621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 54289 = 3548^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 12642593 - 2² = 12642589 is a prime.

It is equal to p₈₂₇₄₃₈ and since 12642593 and 827438 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12642503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321296 + 6321297.

It is an arithmetic number, because the mean of its divisors is an integer number (6321297).

Almost surely, 2^12642593 is an apocalyptic number.

It is an amenable number.

12642593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642593 is an equidigital number, since it uses as much as digits as its factorization.

12642593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 12642593 is about 3555.6424173418. The cubic root of 12642593 is about 232.9585846189.

The spelling of 12642593 in words is "twelve million, six hundred forty-two thousand, five hundred ninety-three".