12747900 has 72 divisors (see below), whose sum is σ = 40247424. Its totient is φ = 3089600.

The previous prime is 12747893. The next prime is 12747901. The reversal of 12747900 is 974721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (558992).

Almost surely, 2^12747900 is an apocalyptic number.

12747900 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 12747900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20123712).

12747900 is an abundant number, since it is smaller than the sum of its proper divisors (27499524).

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

12747900 is a wasteful number, since it uses less digits than its factorization.

12747900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12747900 is about 3570.4201433445. The cubic root of 12747900 is about 233.6036097131.

The spelling of 12747900 in words is "twelve million, seven hundred forty-seven thousand, nine hundred".