12774628720 has 160 divisors (see below), whose sum is σ = 37284756480. Its totient is φ = 3968870400.

The previous prime is 12774628703. The next prime is 12774628747. The reversal of 12774628720 is 2782647721.

It is a super-2 number, since 2×12774628720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218620 + ... + 270820.

It is an arithmetic number, because the mean of its divisors is an integer number (233029728).

Almost surely, 2^12774628720 is an apocalyptic number.

12774628720 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 12774628720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18642378240).

12774628720 is an abundant number, since it is smaller than the sum of its proper divisors (24510127760).

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

12774628720 is a wasteful number, since it uses less digits than its factorization.

12774628720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52263 (or 52257 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 12774628720 in words is "twelve billion, seven hundred seventy-four million, six hundred twenty-eight thousand, seven hundred twenty".