11413878 has 32 divisors (see below), whose sum is σ = 26991360. Its totient is φ = 3148320.

The previous prime is 11413823. The next prime is 11413879. The reversal of 11413878 is 87831411.

It is a super-2 number, since 2×11413878² = 260553221997768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3468 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (843480).

Almost surely, 2^11413878 is an apocalyptic number.

11413878 is an abundant number, since it is smaller than the sum of its proper divisors (15577482).

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

11413878 is a wasteful number, since it uses less digits than its factorization.

11413878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412.

The product of its digits is 5376, while the sum is 33.

The square root of 11413878 is about 3378.4431325686. The cubic root of 11413878 is about 225.1530021064.

The spelling of 11413878 in words is "eleven million, four hundred thirteen thousand, eight hundred seventy-eight".