11434520 has 32 divisors (see below), whose sum is σ = 25887600. Its totient is φ = 4545408.

The previous prime is 11434487. The next prime is 11434529. The reversal of 11434520 is 2543411.

11434520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11434492 and 11434501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6362 + ... + 7958.

Almost surely, 2^11434520 is an apocalyptic number.

11434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11434520 is an abundant number, since it is smaller than the sum of its proper divisors (14453080).

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

11434520 is a wasteful number, since it uses less digits than its factorization.

11434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1783 counting only the distinct ones).

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

The square root of 11434520 is about 3381.4967100383. The cubic root of 11434520 is about 225.2886501116.

Adding to 11434520 its reverse (2543411), we get a palindrome (13977931).

The spelling of 11434520 in words is "eleven million, four hundred thirty-four thousand, five hundred twenty".