12102678 has 24 divisors (see below), whose sum is σ = 29968848. Its totient is φ = 3457872.

The previous prime is 12102661. The next prime is 12102689. The reversal of 12102678 is 87620121.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47901 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (1248702).

Almost surely, 2^12102678 is an apocalyptic number.

12102678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12102678 is an abundant number, since it is smaller than the sum of its proper divisors (17866170).

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

12102678 is a wasteful number, since it uses less digits than its factorization.

12102678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96068 (or 96065 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12102678 is about 3478.8903403241. The cubic root of 12102678 is about 229.5939780580.

Adding to 12102678 its reverse (87620121), we get a palindrome (99722799).

It can be divided in two parts, 121026 and 78, that added together give a square (121104 = 348²).

The spelling of 12102678 in words is "twelve million, one hundred two thousand, six hundred seventy-eight".