12625405 has 16 divisors (see below), whose sum is σ = 17176320. Its totient is φ = 8831808.

The previous prime is 12625391. The next prime is 12625429. The reversal of 12625405 is 50452621.

It is not a de Polignac number, because 12625405 - 2¹¹ = 12623357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12625405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 6346.

It is an arithmetic number, because the mean of its divisors is an integer number (1073520).

Almost surely, 2^12625405 is an apocalyptic number.

It is an amenable number.

12625405 is a deficient number, since it is larger than the sum of its proper divisors (4550915).

12625405 is a wasteful number, since it uses less digits than its factorization.

12625405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 12625405 is about 3553.2245918320. The cubic root of 12625405 is about 232.8529652498.

The spelling of 12625405 in words is "twelve million, six hundred twenty-five thousand, four hundred five".