12473136 has 80 divisors (see below), whose sum is σ = 38573920. Its totient is φ = 3836160.

The previous prime is 12473119. The next prime is 12473137. The reversal of 12473136 is 63137421.

12473136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473137) 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, 4506 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (482174).

Almost surely, 2^12473136 is an apocalyptic number.

12473136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12473136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19286960).

12473136 is an abundant number, since it is smaller than the sum of its proper divisors (26100784).

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

12473136 is a wasteful number, since it uses less digits than its factorization.

12473136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2239 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 12473136 is about 3531.7327192187. The cubic root of 12473136 is about 231.9130669140.

The spelling of 12473136 in words is "twelve million, four hundred seventy-three thousand, one hundred thirty-six".