12645300 has 72 divisors (see below), whose sum is σ = 37240672. Its totient is φ = 3312000.

The previous prime is 12645287. The next prime is 12645319. The reversal of 12645300 is 354621.

It is a happy number.

12645300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12645300² = 319807224180000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17955 + ... + 18645.

Almost surely, 2^12645300 is an apocalyptic number.

12645300 is a gapful number since it is divisible by the number (10) 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 12645300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18620336).

12645300 is an abundant number, since it is smaller than the sum of its proper divisors (24595372).

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

12645300 is a wasteful number, since it uses less digits than its factorization.

12645300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12645300 is about 3556.0230595428. The cubic root of 12645300 is about 232.9752102664.

Adding to 12645300 its reverse (354621), we get a palindrome (12999921).

The spelling of 12645300 in words is "twelve million, six hundred forty-five thousand, three hundred".