12615073 has 2 divisors, whose sum is σ = 12615074. Its totient is φ = 12615072.

The previous prime is 12614999. The next prime is 12615077. The reversal of 12615073 is 37051621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 2521744 = 3177^2 + 1588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12615073 is a prime.

It is equal to p₈₂₅₇₃₀ and since 12615073 and 825730 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12615077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307536 + 6307537.

It is an arithmetic number, because the mean of its divisors is an integer number (6307537).

Almost surely, 2^12615073 is an apocalyptic number.

It is an amenable number.

12615073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615073 is an equidigital number, since it uses as much as digits as its factorization.

12615073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12615073 is about 3551.7704036156. The cubic root of 12615073 is about 232.7894295083.

Adding to 12615073 its reverse (37051621), we get a palindrome (49666694).

The spelling of 12615073 in words is "twelve million, six hundred fifteen thousand, seventy-three".