11413988 has 12 divisors (see below), whose sum is σ = 20248620. Its totient is φ = 5628672.

The previous prime is 11413981. The next prime is 11413991. The reversal of 11413988 is 88931411.

11413988 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 5053504 + 6360484 = 2248^2 + 2522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19253 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (1687385).

Almost surely, 2^11413988 is an apocalyptic number.

It is an amenable number.

11413988 is a deficient number, since it is larger than the sum of its proper divisors (8834632).

11413988 is a wasteful number, since it uses less digits than its factorization.

11413988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39166 (or 39164 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 11413988 is about 3378.4594122173. The cubic root of 11413988 is about 225.1537253999.

The spelling of 11413988 in words is "eleven million, four hundred thirteen thousand, nine hundred eighty-eight".