12963678 has 32 divisors (see below), whose sum is σ = 31911936. Its totient is φ = 3418848.

The previous prime is 12963649. The next prime is 12963679. The reversal of 12963678 is 87636921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963679) 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, 11326 + ... + 12417.

It is an arithmetic number, because the mean of its divisors is an integer number (997248).

Almost surely, 2^12963678 is an apocalyptic number.

12963678 is an abundant number, since it is smaller than the sum of its proper divisors (18948258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12963678 is a wasteful number, since it uses less digits than its factorization.

12963678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768.

The product of its digits is 108864, while the sum is 42.

The square root of 12963678 is about 3600.5107970953. The cubic root of 12963678 is about 234.9142768672.

The spelling of 12963678 in words is "twelve million, nine hundred sixty-three thousand, six hundred seventy-eight".