11333013 has 4 divisors (see below), whose sum is σ = 15110688. Its totient is φ = 7555340.

The previous prime is 11333009. The next prime is 11333017. The reversal of 11333013 is 31033311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31033311 = 3 ⋅10344437.

It is an interprime number because it is at equal distance from previous prime (11333009) and next prime (11333017).

It is a cyclic number.

It is not a de Polignac number, because 11333013 - 2² = 11333009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11332983 and 11333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333017) 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, 1888833 + ... + 1888838.

It is an arithmetic number, because the mean of its divisors is an integer number (3777672).

Almost surely, 2^11333013 is an apocalyptic number.

It is an amenable number.

11333013 is a deficient number, since it is larger than the sum of its proper divisors (3777675).

11333013 is an equidigital number, since it uses as much as digits as its factorization.

11333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777674.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 11333013 is about 3366.4540691951. The cubic root of 11333013 is about 224.6200203807.

Adding to 11333013 its reverse (31033311), we get a palindrome (42366324).

The spelling of 11333013 in words is "eleven million, three hundred thirty-three thousand, thirteen".