12072770 has 16 divisors (see below), whose sum is σ = 21792888. Its totient is φ = 4815360.

The previous prime is 12072763. The next prime is 12072773. The reversal of 12072770 is 7727021.

It can be written as a sum of positive squares in 4 ways, for example, as 12033961 + 38809 = 3469^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (12072773) by changing a digit.

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, 2450 + ... + 5490.

Almost surely, 2^12072770 is an apocalyptic number.

12072770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12072770 is a deficient number, since it is larger than the sum of its proper divisors (9720118).

12072770 is a wasteful number, since it uses less digits than its factorization.

12072770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 12072770 is about 3474.5891843497. The cubic root of 12072770 is about 229.4046987162.

Adding to 12072770 its reverse (7727021), we get a palindrome (19799791).

The spelling of 12072770 in words is "twelve million, seventy-two thousand, seven hundred seventy".