11742506 has 16 divisors (see below), whose sum is σ = 18333000. Its totient is φ = 5634048.

The previous prime is 11742503. The next prime is 11742517. The reversal of 11742506 is 60524711.

11742506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10857025 + 885481 = 3295^2 + 941^2 .

It is not an unprimeable number, because it can be changed into a prime (11742503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10670 + ... + 11718.

Almost surely, 2^11742506 is an apocalyptic number.

11742506 is a deficient number, since it is larger than the sum of its proper divisors (6590494).

11742506 is a wasteful number, since it uses less digits than its factorization.

11742506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11742506 is about 3426.7340136054. The cubic root of 11742506 is about 227.2934550113.

The spelling of 11742506 in words is "eleven million, seven hundred forty-two thousand, five hundred six".