11162420 has 12 divisors (see below), whose sum is σ = 23441124. Its totient is φ = 4464960.

The previous prime is 11162381. The next prime is 11162441. The reversal of 11162420 is 2426111.

It can be written as a sum of positive squares in 2 ways, for example, as 5189284 + 5973136 = 2278^2 + 2444^2 .

It is a super-3 number, since 3×11162420³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 279041 + ... + 279080.

It is an arithmetic number, because the mean of its divisors is an integer number (1953427).

Almost surely, 2^11162420 is an apocalyptic number.

11162420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11162420 is an abundant number, since it is smaller than the sum of its proper divisors (12278704).

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

11162420 is a wasteful number, since it uses less digits than its factorization.

11162420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558130 (or 558128 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11162420 is about 3341.0208020903. The cubic root of 11162420 is about 223.4872679496.

Adding to 11162420 its reverse (2426111), we get a palindrome (13588531).

The spelling of 11162420 in words is "eleven million, one hundred sixty-two thousand, four hundred twenty".