12503628 has 36 divisors (see below), whose sum is σ = 32982768. Its totient is φ = 3986400.

The previous prime is 12503609. The next prime is 12503641. The reversal of 12503628 is 82630521.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 6723 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (916188).

Almost surely, 2^12503628 is an apocalyptic number.

12503628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12503628 is an abundant number, since it is smaller than the sum of its proper divisors (20479140).

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

12503628 is a wasteful number, since it uses less digits than its factorization.

12503628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15134 (or 15129 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12503628 is about 3536.0469453897. The cubic root of 12503628 is about 232.1018924211.

It can be divided in two parts, 12503 and 628, that added together give a palindrome (13131).

The spelling of 12503628 in words is "twelve million, five hundred three thousand, six hundred twenty-eight".