11743538 has 4 divisors (see below), whose sum is σ = 17615310. Its totient is φ = 5871768.

The previous prime is 11743531. The next prime is 11743553. The reversal of 11743538 is 83534711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9966649 + 1776889 = 3157^2 + 1333^2 .

It is not an unprimeable number, because it can be changed into a prime (11743531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2935883 + ... + 2935886.

Almost surely, 2^11743538 is an apocalyptic number.

11743538 is a deficient number, since it is larger than the sum of its proper divisors (5871772).

11743538 is an equidigital number, since it uses as much as digits as its factorization.

11743538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871771.

The product of its digits is 10080, while the sum is 32.

The square root of 11743538 is about 3426.8845909952. The cubic root of 11743538 is about 227.3001134417.

The spelling of 11743538 in words is "eleven million, seven hundred forty-three thousand, five hundred thirty-eight".