12320047 has 2 divisors, whose sum is σ = 12320048. Its totient is φ = 12320046.

The previous prime is 12320023. The next prime is 12320057. The reversal of 12320047 is 74002321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320047 - 2⁷ = 12319919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160023 + 6160024.

It is an arithmetic number, because the mean of its divisors is an integer number (6160024).

Almost surely, 2^12320047 is an apocalyptic number.

12320047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320047 is an equidigital number, since it uses as much as digits as its factorization.

12320047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12320047 is about 3509.9924501343. The cubic root of 12320047 is about 230.9603637572.

Adding to 12320047 its reverse (74002321), we get a palindrome (86322368).

The spelling of 12320047 in words is "twelve million, three hundred twenty thousand, forty-seven".