12150617 has 2 divisors, whose sum is σ = 12150618. Its totient is φ = 12150616.

The previous prime is 12150587. The next prime is 12150641. The reversal of 12150617 is 71605121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 151321 = 3464^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 12150617 - 2¹² = 12146521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12150592 and 12150601.

It is not a weakly prime, because it can be changed into another prime (12155617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6075308 + 6075309.

It is an arithmetic number, because the mean of its divisors is an integer number (6075309).

Almost surely, 2^12150617 is an apocalyptic number.

It is an amenable number.

12150617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12150617 is an equidigital number, since it uses as much as digits as its factorization.

12150617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12150617 is about 3485.7735153047. The cubic root of 12150617 is about 229.8967211166.

Adding to 12150617 its reverse (71605121), we get a palindrome (83755738).

It can be divided in two parts, 121506 and 17, that multiplied together give a palindrome (2065602).

The spelling of 12150617 in words is "twelve million, one hundred fifty thousand, six hundred seventeen".