11142208 has 168 divisors, whose sum is σ = 31272480. Its totient is φ = 3870720.

The previous prime is 11142181. The next prime is 11142211. The reversal of 11142208 is 80224111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 586423 + ... + 586441.

Almost surely, 2^11142208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15636240).

11142208 is an abundant number, since it is smaller than the sum of its proper divisors (20130272).

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

11142208 is a wasteful number, since it uses less digits than its factorization.

11142208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11142208 is about 3337.9946075451. The cubic root of 11142208 is about 223.3522956103.

Adding to 11142208 its reverse (80224111), we get a palindrome (91366319).

The spelling of 11142208 in words is "eleven million, one hundred forty-two thousand, two hundred eight".