12036347 has 2 divisors, whose sum is σ = 12036348. Its totient is φ = 12036346.

The previous prime is 12036341. The next prime is 12036373. The reversal of 12036347 is 74363021.

It is an a-pointer prime, because the next prime (12036373) can be obtained adding 12036347 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (74363021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12036347 - 2²⁰ = 10987771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12036341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6018173 + 6018174.

It is an arithmetic number, because the mean of its divisors is an integer number (6018174).

Almost surely, 2^12036347 is an apocalyptic number.

12036347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12036347 is an equidigital number, since it uses as much as digits as its factorization.

12036347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 12036347 is about 3469.3438860972. The cubic root of 12036347 is about 229.1737651281.

Adding to 12036347 its reverse (74363021), we get a palindrome (86399368).

The spelling of 12036347 in words is "twelve million, thirty-six thousand, three hundred forty-seven".