11501313 has 8 divisors (see below), whose sum is σ = 15864000. Its totient is φ = 7403088.

The previous prime is 11501309. The next prime is 11501351. The reversal of 11501313 is 31310511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11501313 - 2² = 11501309 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11501292 and 11501301.

It is not an unprimeable number, because it can be changed into a prime (11501363) 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, 66013 + ... + 66186.

It is an arithmetic number, because the mean of its divisors is an integer number (1983000).

Almost surely, 2^11501313 is an apocalyptic number.

It is an amenable number.

11501313 is a deficient number, since it is larger than the sum of its proper divisors (4362687).

11501313 is a wasteful number, since it uses less digits than its factorization.

11501313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132231.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 11501313 is about 3391.3585773256. The cubic root of 11501313 is about 225.7264618110.

Adding to 11501313 its reverse (31310511), we get a palindrome (42811824).

The spelling of 11501313 in words is "eleven million, five hundred one thousand, three hundred thirteen".