12124993 has 2 divisors, whose sum is σ = 12124994. Its totient is φ = 12124992.

The previous prime is 12124991. The next prime is 12124997. The reversal of 12124993 is 39942121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12027024 + 97969 = 3468^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124993 - 2¹ = 12124991 is a prime.

Together with 12124991, it forms a pair of twin primes.

It is a zygodrome in base 5.

It is not a weakly prime, because it can be changed into another prime (12124991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062496 + 6062497.

It is an arithmetic number, because the mean of its divisors is an integer number (6062497).

Almost surely, 2^12124993 is an apocalyptic number.

It is an amenable number.

12124993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124993 is an equidigital number, since it uses as much as digits as its factorization.

12124993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 12124993 is about 3482.0960641545. The cubic root of 12124993 is about 229.7350004002.

The spelling of 12124993 in words is "twelve million, one hundred twenty-four thousand, nine hundred ninety-three".