11540312 has 16 divisors (see below), whose sum is σ = 24729360. Its totient is φ = 4945824.

The previous prime is 11540303. The next prime is 11540317. The reversal of 11540312 is 21304511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102983 + ... + 103094.

It is an arithmetic number, because the mean of its divisors is an integer number (1545585).

Almost surely, 2^11540312 is an apocalyptic number.

It is an amenable number.

11540312 is an abundant number, since it is smaller than the sum of its proper divisors (13189048).

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

11540312 is a wasteful number, since it uses less digits than its factorization.

11540312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206090 (or 206086 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11540312 is about 3397.1034720774. The cubic root of 11540312 is about 225.9813073531.

Adding to 11540312 its reverse (21304511), we get a palindrome (32844823).

The spelling of 11540312 in words is "eleven million, five hundred forty thousand, three hundred twelve".