11412138 has 16 divisors (see below), whose sum is σ = 23611680. Its totient is φ = 3672816.

The previous prime is 11412131. The next prime is 11412143. The reversal of 11412138 is 83121411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11412131) 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, 32620 + ... + 32967.

It is an arithmetic number, because the mean of its divisors is an integer number (1475730).

Almost surely, 2^11412138 is an apocalyptic number.

11412138 is an abundant number, since it is smaller than the sum of its proper divisors (12199542).

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

11412138 is a wasteful number, since it uses less digits than its factorization.

11412138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65621.

The product of its digits is 192, while the sum is 21.

The square root of 11412138 is about 3378.1856076894. The cubic root of 11412138 is about 225.1415603004.

Adding to 11412138 its reverse (83121411), we get a palindrome (94533549).

The spelling of 11412138 in words is "eleven million, four hundred twelve thousand, one hundred thirty-eight".