11744013 has 4 divisors (see below), whose sum is σ = 15658688. Its totient is φ = 7829340.

The previous prime is 11744003. The next prime is 11744023. The reversal of 11744013 is 31044711.

11744013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (11744003) and next prime (11744023).

It is not a de Polignac number, because 11744013 - 2⁴ = 11743997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11744003) 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, 1957333 + ... + 1957338.

It is an arithmetic number, because the mean of its divisors is an integer number (3914672).

Almost surely, 2^11744013 is an apocalyptic number.

It is an amenable number.

11744013 is a deficient number, since it is larger than the sum of its proper divisors (3914675).

11744013 is an equidigital number, since it uses as much as digits as its factorization.

11744013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914674.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 11744013 is about 3426.9538952253. The cubic root of 11744013 is about 227.3031779951.

Adding to 11744013 its reverse (31044711), we get a palindrome (42788724).

The spelling of 11744013 in words is "eleven million, seven hundred forty-four thousand, thirteen".