12709513 has 2 divisors, whose sum is σ = 12709514. Its totient is φ = 12709512.

The previous prime is 12709507. The next prime is 12709517. The reversal of 12709513 is 31590721.

12709513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 4717584 = 2827^2 + 2172^2 .

It is a cyclic number.

It is not a de Polignac number, because 12709513 - 2¹³ = 12701321 is a prime.

It is equal to p₈₃₁₄₉₃ and since 12709513 and 831493 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 (12709517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354756 + 6354757.

It is an arithmetic number, because the mean of its divisors is an integer number (6354757).

Almost surely, 2^12709513 is an apocalyptic number.

It is an amenable number.

12709513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12709513 is an equidigital number, since it uses as much as digits as its factorization.

12709513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12709513 is about 3565.0403924780. The cubic root of 12709513 is about 233.3688950334.

The spelling of 12709513 in words is "twelve million, seven hundred nine thousand, five hundred thirteen".