12103533 has 16 divisors (see below), whose sum is σ = 19311040. Its totient is φ = 7448112.

The previous prime is 12103529. The next prime is 12103561. The reversal of 12103533 is 33530121.

It is not a de Polignac number, because 12103533 - 2² = 12103529 is a prime.

It is a super-2 number, since 2×12103533² = 292991022164178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103573) 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, 16891 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (1206940).

Almost surely, 2^12103533 is an apocalyptic number.

12103533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12103533 is a deficient number, since it is larger than the sum of its proper divisors (7207507).

12103533 is a wasteful number, since it uses less digits than its factorization.

12103533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34505 (or 34499 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 12103533 is about 3479.0132221652. The cubic root of 12103533 is about 229.5993845261.

Adding to 12103533 its reverse (33530121), we get a palindrome (45633654).

The spelling of 12103533 in words is "twelve million, one hundred three thousand, five hundred thirty-three".