12774490580 has 54 divisors (see below), whose sum is σ = 27175883994. Its totient is φ = 5044086432.

The previous prime is 12774490577. The next prime is 12774490583. The reversal of 12774490580 is 8509447721.

It is an interprime number because it is at equal distance from previous prime (12774490577) and next prime (12774490583).

It can be written as a sum of positive squares in only one way, i.e., 10219592464 + 2554898116 = 101092^2 + 50546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12774490583) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64193321 + ... + 64193519.

It is an arithmetic number, because the mean of its divisors is an integer number (503257111).

Almost surely, 2^12774490580 is an apocalyptic number.

12774490580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12774490580 is an abundant number, since it is smaller than the sum of its proper divisors (14401393414).

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

12774490580 is an equidigital number, since it uses as much as digits as its factorization.

12774490580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 12774490580 in words is "twelve billion, seven hundred seventy-four million, four hundred ninety thousand, five hundred eighty".