12551017 has 2 divisors, whose sum is σ = 12551018. Its totient is φ = 12551016.

The previous prime is 12551009. The next prime is 12551053. The reversal of 12551017 is 71015521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 1687401 = 3296^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 12551017 - 2³ = 12551009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12551317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275508 + 6275509.

It is an arithmetic number, because the mean of its divisors is an integer number (6275509).

Almost surely, 2^12551017 is an apocalyptic number.

It is an amenable number.

12551017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551017 is an equidigital number, since it uses as much as digits as its factorization.

12551017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 12551017 is about 3542.7414526042. The cubic root of 12551017 is about 232.3947463616.

Adding to 12551017 its reverse (71015521), we get a palindrome (83566538).

The spelling of 12551017 in words is "twelve million, five hundred fifty-one thousand, seventeen".