12503384 has 16 divisors (see below), whose sum is σ = 23775120. Its totient is φ = 6163360.

The previous prime is 12503371. The next prime is 12503417. The reversal of 12503384 is 48330521.

It is a super-2 number, since 2×12503384² = 312669222902912, which contains 22 as substring.

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, 10439 + ... + 11574.

It is an arithmetic number, because the mean of its divisors is an integer number (1485945).

Almost surely, 2^12503384 is an apocalyptic number.

It is an amenable number.

12503384 is a deficient number, since it is larger than the sum of its proper divisors (11271736).

12503384 is a wasteful number, since it uses less digits than its factorization.

12503384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090 (or 22086 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12503384 is about 3536.0124434170. The cubic root of 12503384 is about 232.1003826399.

The spelling of 12503384 in words is "twelve million, five hundred three thousand, three hundred eighty-four".