11540412 has 36 divisors (see below), whose sum is σ = 31416840. Its totient is φ = 3550752.

The previous prime is 11540387. The next prime is 11540413. The reversal of 11540412 is 21404511.

11540412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11540412² = 266362218259488, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11862 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (872690).

Almost surely, 2^11540412 is an apocalyptic number.

11540412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11540412 is an abundant number, since it is smaller than the sum of its proper divisors (19876428).

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

11540412 is a wasteful number, since it uses less digits than its factorization.

11540412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24682 (or 24677 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11540412 is about 3397.1181904667. The cubic root of 11540412 is about 225.9819600814.

Adding to 11540412 its reverse (21404511), we get a palindrome (32944923).

The spelling of 11540412 in words is "eleven million, five hundred forty thousand, four hundred twelve".