12630547 has 4 divisors (see below), whose sum is σ = 13038016. Its totient is φ = 12223080.

The previous prime is 12630539. The next prime is 12630551. The reversal of 12630547 is 74503621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12630547 - 2³ = 12630539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12630517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203688 + ... + 203749.

It is an arithmetic number, because the mean of its divisors is an integer number (3259504).

Almost surely, 2^12630547 is an apocalyptic number.

12630547 is a deficient number, since it is larger than the sum of its proper divisors (407469).

12630547 is an equidigital number, since it uses as much as digits as its factorization.

12630547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407468.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12630547 is about 3553.9480862838. The cubic root of 12630547 is about 232.8845726171.

The spelling of 12630547 in words is "twelve million, six hundred thirty thousand, five hundred forty-seven".