12623078 has 16 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 5483136.

The previous prime is 12623077. The next prime is 12623089. The reversal of 12623078 is 87032621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12623078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13838 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^12623078 is an apocalyptic number.

12623078 is a deficient number, since it is larger than the sum of its proper divisors (8968282).

12623078 is a wasteful number, since it uses less digits than its factorization.

12623078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28591.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12623078 is about 3552.8971276973. The cubic root of 12623078 is about 232.8386585895.

Adding to 12623078 its reverse (87032621), we get a palindrome (99655699).

The spelling of 12623078 in words is "twelve million, six hundred twenty-three thousand, seventy-eight".