11453420 has 48 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 4105920.

The previous prime is 11453417. The next prime is 11453423. The reversal of 11453420 is 2435411.

It is an interprime number because it is at equal distance from previous prime (11453417) and next prime (11453423).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11453392 and 11453401.

It is not an unprimeable number, because it can be changed into a prime (11453423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17051 + ... + 17709.

It is an arithmetic number, because the mean of its divisors is an integer number (554400).

Almost surely, 2^11453420 is an apocalyptic number.

11453420 is a gapful number since it is divisible by the number (10) 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 11453420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13305600).

11453420 is an abundant number, since it is smaller than the sum of its proper divisors (15157780).

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

11453420 is a wasteful number, since it uses less digits than its factorization.

11453420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11453420 is about 3384.2901766840. The cubic root of 11453420 is about 225.4127075465.

Adding to 11453420 its reverse (2435411), we get a palindrome (13888831).

Subtracting from 11453420 its reverse (2435411), we obtain a square (9018009 = 3003²).

The spelling of 11453420 in words is "eleven million, four hundred fifty-three thousand, four hundred twenty".