12790147 has 2 divisors, whose sum is σ = 12790148. Its totient is φ = 12790146.

The previous prime is 12790109. The next prime is 12790159. The reversal of 12790147 is 74109721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12790147 - 2¹¹ = 12788099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12790177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395073 + 6395074.

It is an arithmetic number, because the mean of its divisors is an integer number (6395074).

Almost surely, 2^12790147 is an apocalyptic number.

12790147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12790147 is an equidigital number, since it uses as much as digits as its factorization.

12790147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12790147 is about 3576.3315002947. The cubic root of 12790147 is about 233.8613820938.

Adding to 12790147 its reverse (74109721), we get a palindrome (86899868).

The spelling of 12790147 in words is "twelve million, seven hundred ninety thousand, one hundred forty-seven".