12263678 has 16 divisors (see below), whose sum is σ = 21072480. Its totient is φ = 5243616.

The previous prime is 12263677. The next prime is 12263689. The reversal of 12263678 is 87636221.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

12263678 is a modest number, since divided by 3678 gives 1226 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12263677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7868 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (1317030).

Almost surely, 2^12263678 is an apocalyptic number.

12263678 is a deficient number, since it is larger than the sum of its proper divisors (8808802).

12263678 is a wasteful number, since it uses less digits than its factorization.

12263678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its digits is 24192, while the sum is 35.

The square root of 12263678 is about 3501.9534548592. The cubic root of 12263678 is about 230.6075807135.

Adding to 12263678 its reverse (87636221), we get a palindrome (99899899).

The spelling of 12263678 in words is "twelve million, two hundred sixty-three thousand, six hundred seventy-eight".