12774720 has 112 divisors (see below), whose sum is σ = 46378368. Its totient is φ = 2918400.

The previous prime is 12774719. The next prime is 12774733. The reversal of 12774720 is 2747721.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770 + ... + 7670.

Almost surely, 2^12774720 is an apocalyptic number.

12774720 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 12774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23189184).

12774720 is an abundant number, since it is smaller than the sum of its proper divisors (33603648).

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

12774720 is a wasteful number, since it uses less digits than its factorization.

12774720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12774720 is about 3574.1740304579. The cubic root of 12774720 is about 233.7673192959.

It can be divided in two parts, 127 and 74720, that added together give a palindrome (74847).

The spelling of 12774720 in words is "twelve million, seven hundred seventy-four thousand, seven hundred twenty".