11433420 has 96 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 2946240.

The previous prime is 11433419. The next prime is 11433427. The reversal of 11433420 is 2433411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11433393 and 11433402.

It is not an unprimeable number, because it can be changed into a prime (11433427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16399 + ... + 17081.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^11433420 is an apocalyptic number.

11433420 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 11433420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

11433420 is an abundant number, since it is smaller than the sum of its proper divisors (25338420).

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

11433420 is a wasteful number, since it uses less digits than its factorization.

11433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11433420 is about 3381.3340562565. The cubic root of 11433420 is about 225.2814256293.

Adding to 11433420 its reverse (2433411), we get a palindrome (13866831).

Subtracting from 11433420 its reverse (2433411), we obtain a palindrome (9000009).

The spelling of 11433420 in words is "eleven million, four hundred thirty-three thousand, four hundred twenty".