12103452 has 24 divisors (see below), whose sum is σ = 31379600. Its totient is φ = 4034448.

The previous prime is 12103447. The next prime is 12103453. The reversal of 12103452 is 25430121.

12103452 is a `hidden beast` number, since 1 + 210 + 3 + 452 = 666.

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 (12103453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55927 + ... + 56142.

Almost surely, 2^12103452 is an apocalyptic number.

12103452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103452 is an abundant number, since it is smaller than the sum of its proper divisors (19276148).

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

12103452 is a wasteful number, since it uses less digits than its factorization.

12103452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112082 (or 112074 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12103452 is about 3479.0015809137. The cubic root of 12103452 is about 229.5988723453.

Adding to 12103452 its reverse (25430121), we get a palindrome (37533573).

The spelling of 12103452 in words is "twelve million, one hundred three thousand, four hundred fifty-two".