12103854 has 32 divisors (see below), whose sum is σ = 27960576. Its totient is φ = 3421440.

The previous prime is 12103849. The next prime is 12103859. The reversal of 12103854 is 45830121.

12103854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12103849) and next prime (12103859).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103859) 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, 2589 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (873768).

Almost surely, 2^12103854 is an apocalyptic number.

12103854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13980288).

12103854 is an abundant number, since it is smaller than the sum of its proper divisors (15856722).

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

12103854 is a wasteful number, since it uses less digits than its factorization.

12103854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12103854 is about 3479.0593556305. The cubic root of 12103854 is about 229.6014142572.

Adding to 12103854 its reverse (45830121), we get a palindrome (57933975).

The spelling of 12103854 in words is "twelve million, one hundred three thousand, eight hundred fifty-four".