11351620 has 24 divisors (see below), whose sum is σ = 27244224. Its totient is φ = 3891936.

The previous prime is 11351617. The next prime is 11351621. The reversal of 11351620 is 2615311.

It is not an unprimeable number, because it can be changed into a prime (11351621) 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, 40402 + ... + 40681.

It is an arithmetic number, because the mean of its divisors is an integer number (1135176).

Almost surely, 2^11351620 is an apocalyptic number.

11351620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11351620 is an abundant number, since it is smaller than the sum of its proper divisors (15892604).

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

11351620 is a wasteful number, since it uses less digits than its factorization.

11351620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81099 (or 81097 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11351620 is about 3369.2165261378. The cubic root of 11351620 is about 224.7428832488.

Adding to 11351620 its reverse (2615311), we get a palindrome (13966931).

The spelling of 11351620 in words is "eleven million, three hundred fifty-one thousand, six hundred twenty".