11253820 has 12 divisors (see below), whose sum is σ = 23633064. Its totient is φ = 4501520.

The previous prime is 11253799. The next prime is 11253863. The reversal of 11253820 is 2835211.

It is a junction number, because it is equal to n+sod(n) for n = 11253791 and 11253800.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 281326 + ... + 281365.

It is an arithmetic number, because the mean of its divisors is an integer number (1969422).

Almost surely, 2^11253820 is an apocalyptic number.

11253820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11253820 is an abundant number, since it is smaller than the sum of its proper divisors (12379244).

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

11253820 is a wasteful number, since it uses less digits than its factorization.

11253820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562700 (or 562698 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11253820 is about 3354.6713698960. The cubic root of 11253820 is about 224.0955958892.

The spelling of 11253820 in words is "eleven million, two hundred fifty-three thousand, eight hundred twenty".