12069851 has 2 divisors, whose sum is σ = 12069852. Its totient is φ = 12069850.

The previous prime is 12069823. The next prime is 12069877. The reversal of 12069851 is 15896021.

It is a strong prime.

It is an emirp because it is prime and its reverse (15896021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12069851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12069451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034925 + 6034926.

It is an arithmetic number, because the mean of its divisors is an integer number (6034926).

Almost surely, 2^12069851 is an apocalyptic number.

12069851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12069851 is an equidigital number, since it uses as much as digits as its factorization.

12069851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12069851 is about 3474.1691092979. The cubic root of 12069851 is about 229.3862084473.

The spelling of 12069851 in words is "twelve million, sixty-nine thousand, eight hundred fifty-one".