11139612 has 24 divisors (see below), whose sum is σ = 28355712. Its totient is φ = 3375600.

The previous prime is 11139589. The next prime is 11139619. The reversal of 11139612 is 21693111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139619) 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 7 ways as a sum of consecutive naturals, for example, 42064 + ... + 42327.

It is an arithmetic number, because the mean of its divisors is an integer number (1181488).

Almost surely, 2^11139612 is an apocalyptic number.

11139612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11139612 is an abundant number, since it is smaller than the sum of its proper divisors (17216100).

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

11139612 is a wasteful number, since it uses less digits than its factorization.

11139612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84409 (or 84407 counting only the distinct ones).

The product of its digits is 324, while the sum is 24.

The square root of 11139612 is about 3337.6057286624. The cubic root of 11139612 is about 223.3349481332.

The spelling of 11139612 in words is "eleven million, one hundred thirty-nine thousand, six hundred twelve".