12772548 has 72 divisors (see below), whose sum is σ = 34082048. Its totient is φ = 4027968.

The previous prime is 12772537. The next prime is 12772553. The reversal of 12772548 is 84527721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57165 + ... + 57387.

Almost surely, 2^12772548 is an apocalyptic number.

12772548 is a gapful number since it is divisible by the number (18) 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 12772548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17041024).

12772548 is an abundant number, since it is smaller than the sum of its proper divisors (21309500).

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

12772548 is a wasteful number, since it uses less digits than its factorization.

12772548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 308 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12772548 is about 3573.8701711170. The cubic root of 12772548 is about 233.7540699149.

The spelling of 12772548 in words is "twelve million, seven hundred seventy-two thousand, five hundred forty-eight".