12735988 has 12 divisors (see below), whose sum is σ = 23056740. Its totient is φ = 6148352.

The previous prime is 12735979. The next prime is 12736019. The reversal of 12735988 is 88953721.

12735988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9560464 + 3175524 = 3092^2 + 1782^2 .

It is a super-2 number, since 2×12735988² = 324410780672288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54781 + ... + 55012.

It is an arithmetic number, because the mean of its divisors is an integer number (1921395).

Almost surely, 2^12735988 is an apocalyptic number.

It is an amenable number.

12735988 is a deficient number, since it is larger than the sum of its proper divisors (10320752).

12735988 is a wasteful number, since it uses less digits than its factorization.

12735988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109826 (or 109824 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 12735988 is about 3568.7516024515. The cubic root of 12735988 is about 233.5308250874.

The spelling of 12735988 in words is "twelve million, seven hundred thirty-five thousand, nine hundred eighty-eight".