12772020 has 24 divisors (see below), whose sum is σ = 35761824. Its totient is φ = 3405856.

The previous prime is 12772013. The next prime is 12772057. The reversal of 12772020 is 2027721.

It is a super-3 number, since 3×12772020³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106374 + ... + 106493.

It is an arithmetic number, because the mean of its divisors is an integer number (1490076).

Almost surely, 2^12772020 is an apocalyptic number.

12772020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12772020 is an abundant number, since it is smaller than the sum of its proper divisors (22989804).

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

12772020 is a wasteful number, since it uses less digits than its factorization.

12772020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212879 (or 212877 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 12772020 is about 3573.7963008543. The cubic root of 12772020 is about 233.7508488440.

Adding to 12772020 its reverse (2027721), we get a palindrome (14799741).

The spelling of 12772020 in words is "twelve million, seven hundred seventy-two thousand, twenty".