12478629 has 16 divisors (see below), whose sum is σ = 17696448. Its totient is φ = 7794432.

The previous prime is 12478607. The next prime is 12478679. The reversal of 12478629 is 92687421.

It is not a de Polignac number, because 12478629 - 2⁵ = 12478597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478679) 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, 15259 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028).

Almost surely, 2^12478629 is an apocalyptic number.

It is an amenable number.

12478629 is a deficient number, since it is larger than the sum of its proper divisors (5217819).

12478629 is a wasteful number, since it uses less digits than its factorization.

12478629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its digits is 48384, while the sum is 39.

The square root of 12478629 is about 3532.5102972249. The cubic root of 12478629 is about 231.9471057080.

The spelling of 12478629 in words is "twelve million, four hundred seventy-eight thousand, six hundred twenty-nine".