12103424 has 18 divisors (see below), whose sum is σ = 24160080. Its totient is φ = 6051584.

The previous prime is 12103417. The next prime is 12103433. The reversal of 12103424 is 42430121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23384 + ... + 23895.

Almost surely, 2^12103424 is an apocalyptic number.

It is an amenable number.

12103424 is a deficient number, since it is larger than the sum of its proper divisors (12056656).

12103424 is an frugal number, since it uses more digits than its factorization.

12103424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47295 (or 47281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12103424 is about 3478.9975567683. The cubic root of 12103424 is about 229.5986952946.

Adding to 12103424 its sum of digits (17), we get a square (12103441 = 3479²).

Adding to 12103424 its reverse (42430121), we get a palindrome (54533545).

The spelling of 12103424 in words is "twelve million, one hundred three thousand, four hundred twenty-four".