11455420 has 48 divisors (see below), whose sum is σ = 24984288. Its totient is φ = 4409600.

The previous prime is 11455417. The next prime is 11455439. The reversal of 11455420 is 2455411.

It is a junction number, because it is equal to n+sod(n) for n = 11455391 and 11455400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107007 + ... + 107113.

It is an arithmetic number, because the mean of its divisors is an integer number (520506).

Almost surely, 2^11455420 is an apocalyptic number.

11455420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455420 is an abundant number, since it is smaller than the sum of its proper divisors (13528868).

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

11455420 is a wasteful number, since it uses less digits than its factorization.

11455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 11455420 is about 3384.5856467225. The cubic root of 11455420 is about 225.4258273302.

Subtracting from 11455420 its reverse (2455411), we obtain a palindrome (9000009).

The spelling of 11455420 in words is "eleven million, four hundred fifty-five thousand, four hundred twenty".