12630843 has 16 divisors (see below), whose sum is σ = 19021600. Its totient is φ = 8281440.

The previous prime is 12630823. The next prime is 12630851. The reversal of 12630843 is 34803621.

It is a happy number.

It is not a de Polignac number, because 12630843 - 2⁸ = 12630587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12630823) by changing a digit.

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, 2188 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (1188850).

Almost surely, 2^12630843 is an apocalyptic number.

12630843 is a deficient number, since it is larger than the sum of its proper divisors (6390757).

12630843 is an equidigital number, since it uses as much as digits as its factorization.

12630843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12630843 is about 3553.9897298670. The cubic root of 12630843 is about 232.8863918388.

The spelling of 12630843 in words is "twelve million, six hundred thirty thousand, eight hundred forty-three".