11420208 has 60 divisors (see below), whose sum is σ = 32439888. Its totient is φ = 3749760.

The previous prime is 11420203. The next prime is 11420239. The reversal of 11420208 is 80202411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11420203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9666 + ... + 10782.

Almost surely, 2^11420208 is an apocalyptic number.

11420208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16219944).

11420208 is an abundant number, since it is smaller than the sum of its proper divisors (21019680).

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

11420208 is a wasteful number, since it uses less digits than its factorization.

11420208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11420208 is about 3379.3798247608. The cubic root of 11420208 is about 225.1946168002.

Adding to 11420208 its reverse (80202411), we get a palindrome (91622619).

It can be divided in two parts, 11420 and 208, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11420208 in words is "eleven million, four hundred twenty thousand, two hundred eight".