11873013 has 4 divisors (see below), whose sum is σ = 15830688. Its totient is φ = 7915340.

The previous prime is 11873011. The next prime is 11873027. The reversal of 11873013 is 31037811.

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.

It is a cyclic number.

It is not a de Polignac number, because 11873013 - 2¹ = 11873011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873011) 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, 1978833 + ... + 1978838.

It is an arithmetic number, because the mean of its divisors is an integer number (3957672).

Almost surely, 2^11873013 is an apocalyptic number.

It is an amenable number.

11873013 is a deficient number, since it is larger than the sum of its proper divisors (3957675).

11873013 is an equidigital number, since it uses as much as digits as its factorization.

11873013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957674.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11873013 is about 3445.7238716995. The cubic root of 11873013 is about 228.1324061648.

The spelling of 11873013 in words is "eleven million, eight hundred seventy-three thousand, thirteen".