12630657 has 16 divisors (see below), whose sum is σ = 18926208. Its totient is φ = 7434240.

The previous prime is 12630647. The next prime is 12630701. The reversal of 12630657 is 75603621.

It is not a de Polignac number, because 12630657 - 2⁴ = 12630641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12630617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (1182888).

Almost surely, 2^12630657 is an apocalyptic number.

It is an amenable number.

12630657 is a deficient number, since it is larger than the sum of its proper divisors (6295551).

12630657 is a wasteful number, since it uses less digits than its factorization.

12630657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12630657 is about 3553.9635619967. The cubic root of 12630657 is about 232.8852486825.

The spelling of 12630657 in words is "twelve million, six hundred thirty thousand, six hundred fifty-seven".