12506393 has 2 divisors, whose sum is σ = 12506394. Its totient is φ = 12506392.

The previous prime is 12506387. The next prime is 12506399. The reversal of 12506393 is 39360521.

It is a balanced prime because it is at equal distance from previous prime (12506387) and next prime (12506399).

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 94864 = 3523^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12506393 - 2¹² = 12502297 is a prime.

It is equal to p₈₁₉₀₇₄ and since 12506393 and 819074 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 (12506399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253196 + 6253197.

It is an arithmetic number, because the mean of its divisors is an integer number (6253197).

Almost surely, 2^12506393 is an apocalyptic number.

It is an amenable number.

12506393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12506393 is an equidigital number, since it uses as much as digits as its factorization.

12506393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 12506393 is about 3536.4378970936. The cubic root of 12506393 is about 232.1189998407.

The spelling of 12506393 in words is "twelve million, five hundred six thousand, three hundred ninety-three".