11540313 has 12 divisors (see below), whose sum is σ = 17287088. Its totient is φ = 7693380.

The previous prime is 11540303. The next prime is 11540317. The reversal of 11540313 is 31304511.

It is a de Polignac number, because none of the positive numbers 2^k-11540313 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23503 + ... + 23988.

Almost surely, 2^11540313 is an apocalyptic number.

It is an amenable number.

11540313 is a deficient number, since it is larger than the sum of its proper divisors (5746775).

11540313 is an frugal number, since it uses more digits than its factorization.

11540313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47506 (or 47494 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11540313 is about 3397.1036192616. The cubic root of 11540313 is about 225.9813138804.

Adding to 11540313 its reverse (31304511), we get a palindrome (42844824).

The spelling of 11540313 in words is "eleven million, five hundred forty thousand, three hundred thirteen".