12629605 has 16 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 9803520.

The previous prime is 12629581. The next prime is 12629621. The reversal of 12629605 is 50692621.

It is not a de Polignac number, because 12629605 - 2¹⁷ = 12498533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 52285 + ... + 52525.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^12629605 is an apocalyptic number.

It is an amenable number.

12629605 is a deficient number, since it is larger than the sum of its proper divisors (2982299).

12629605 is a wasteful number, since it uses less digits than its factorization.

12629605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12629605 is about 3553.8155551463. The cubic root of 12629605 is about 232.8787828778.

The spelling of 12629605 in words is "twelve million, six hundred twenty-nine thousand, six hundred five".