12512629 has 4 divisors (see below), whose sum is σ = 13248684. Its totient is φ = 11776576.

The previous prime is 12512627. The next prime is 12512639. The reversal of 12512629 is 92621521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92621521 = 31 ⋅2987791.

It can be written as a sum of positive squares in 2 ways, for example, as 8910225 + 3602404 = 2985^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 12512629 - 2¹ = 12512627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12512597 and 12512606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368002 + ... + 368035.

It is an arithmetic number, because the mean of its divisors is an integer number (3312171).

Almost surely, 2^12512629 is an apocalyptic number.

It is an amenable number.

12512629 is a deficient number, since it is larger than the sum of its proper divisors (736055).

12512629 is an equidigital number, since it uses as much as digits as its factorization.

12512629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736054.

The product of its digits is 2160, while the sum is 28.

The square root of 12512629 is about 3537.3194653579. The cubic root of 12512629 is about 232.1575735410.

The spelling of 12512629 in words is "twelve million, five hundred twelve thousand, six hundred twenty-nine".