11737013 has 4 divisors (see below), whose sum is σ = 11897868. Its totient is φ = 11576160.

The previous prime is 11737007. The next prime is 11737039. The reversal of 11737013 is 31073711.

11737013 = 2422² + 2423².

11737013 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 5870929 = 2422^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 11737013 - 2⁴ = 11736997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11737013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11737043) 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, 80318 + ... + 80463.

It is an arithmetic number, because the mean of its divisors is an integer number (2974467).

Almost surely, 2^11737013 is an apocalyptic number.

11737013 is the 2423-rd centered square number.

It is an amenable number.

11737013 is a deficient number, since it is larger than the sum of its proper divisors (160855).

11737013 is an equidigital number, since it uses as much as digits as its factorization.

11737013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160854.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 11737013 is about 3425.9324278217. The cubic root of 11737013 is about 227.2580077885.

The spelling of 11737013 in words is "eleven million, seven hundred thirty-seven thousand, thirteen".