11534940 has 96 divisors (see below), whose sum is σ = 36832320. Its totient is φ = 2995200.

The previous prime is 11534923. The next prime is 11534951. The reversal of 11534940 is 4943511.

It is a super-3 number, since 3×11534940³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21880 + ... + 22400.

It is an arithmetic number, because the mean of its divisors is an integer number (383670).

Almost surely, 2^11534940 is an apocalyptic number.

11534940 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 11534940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18416160).

11534940 is an abundant number, since it is smaller than the sum of its proper divisors (25297380).

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

11534940 is a wasteful number, since it uses less digits than its factorization.

11534940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 11534940 is about 3396.3127064509. The cubic root of 11534940 is about 225.9462372441.

The spelling of 11534940 in words is "eleven million, five hundred thirty-four thousand, nine hundred forty".