12103416 has 96 divisors (see below), whose sum is σ = 36014160. Its totient is φ = 3649536.

The previous prime is 12103409. The next prime is 12103417. The reversal of 12103416 is 61430121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (12103417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62616 + ... + 62808.

Almost surely, 2^12103416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18007080).

12103416 is an abundant number, since it is smaller than the sum of its proper divisors (23910744).

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

12103416 is a wasteful number, since it uses less digits than its factorization.

12103416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12103416 is about 3478.9964070117. The cubic root of 12103416 is about 229.5986447087.

Adding to 12103416 its reverse (61430121), we get a palindrome (73533537).

The spelling of 12103416 in words is "twelve million, one hundred three thousand, four hundred sixteen".