11757442 has 4 divisors (see below), whose sum is σ = 17636166. Its totient is φ = 5878720.

The previous prime is 11757433. The next prime is 11757443. The reversal of 11757442 is 24475711.

11757442 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 an emirpimes, since its reverse is a distinct semiprime: 24475711 = 13 ⋅1882747.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 136161 = 3409^2 + 369^2 .

It is not an unprimeable number, because it can be changed into a prime (11757443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2939359 + ... + 2939362.

Almost surely, 2^11757442 is an apocalyptic number.

11757442 is a deficient number, since it is larger than the sum of its proper divisors (5878724).

11757442 is an equidigital number, since it uses as much as digits as its factorization.

11757442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878723.

The product of its digits is 7840, while the sum is 31.

The square root of 11757442 is about 3428.9126556388. The cubic root of 11757442 is about 227.3897835885.

The spelling of 11757442 in words is "eleven million, seven hundred fifty-seven thousand, four hundred forty-two".