12038657 has 2 divisors, whose sum is σ = 12038658. Its totient is φ = 12038656.

The previous prime is 12038641. The next prime is 12038659. The reversal of 12038657 is 75683021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10491121 + 1547536 = 3239^2 + 1244^2 .

It is an emirp because it is prime and its reverse (75683021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12038657 - 2⁴ = 12038641 is a prime.

Together with 12038659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12038659) 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, 6019328 + 6019329.

It is an arithmetic number, because the mean of its divisors is an integer number (6019329).

Almost surely, 2^12038657 is an apocalyptic number.

It is an amenable number.

12038657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12038657 is an equidigital number, since it uses as much as digits as its factorization.

12038657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12038657 is about 3469.6767860998. The cubic root of 12038657 is about 229.1884251003.

The spelling of 12038657 in words is "twelve million, thirty-eight thousand, six hundred fifty-seven".