12103536 has 20 divisors (see below), whose sum is σ = 31267592. Its totient is φ = 4034496.

The previous prime is 12103529. The next prime is 12103561. The reversal of 12103536 is 63530121.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 126031 + ... + 126126.

Almost surely, 2^12103536 is an apocalyptic number.

12103536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12103536 is an abundant number, since it is smaller than the sum of its proper divisors (19164056).

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

12103536 is a wasteful number, since it uses less digits than its factorization.

12103536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252168 (or 252162 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12103536 is about 3479.0136533219. The cubic root of 12103536 is about 229.5994034957.

Adding to 12103536 its reverse (63530121), we get a palindrome (75633657).

The spelling of 12103536 in words is "twelve million, one hundred three thousand, five hundred thirty-six".