12740208 has 80 divisors (see below), whose sum is σ = 37560096. Its totient is φ = 3686400.

The previous prime is 12740201. The next prime is 12740209. The reversal of 12740208 is 80204721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740201) 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, 10008 + ... + 11208.

Almost surely, 2^12740208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12740208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18780048).

12740208 is an abundant number, since it is smaller than the sum of its proper divisors (24819888).

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

12740208 is a wasteful number, since it uses less digits than its factorization.

12740208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12740208 is about 3569.3427966504. The cubic root of 12740208 is about 233.5566152932.

Adding to 12740208 its reverse (80204721), we get a palindrome (92944929).

The spelling of 12740208 in words is "twelve million, seven hundred forty thousand, two hundred eight".