11942538 has 16 divisors (see below), whose sum is σ = 24173856. Its totient is φ = 3932720.

The previous prime is 11942531. The next prime is 11942597. The reversal of 11942538 is 83524911.

11942538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11942499 and 11942508.

It is not an unprimeable number, because it can be changed into a prime (11942531) 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, 11493 + ... + 12488.

It is an arithmetic number, because the mean of its divisors is an integer number (1510866).

Almost surely, 2^11942538 is an apocalyptic number.

11942538 is an abundant number, since it is smaller than the sum of its proper divisors (12231318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11942538 is a wasteful number, since it uses less digits than its factorization.

11942538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24069.

The product of its digits is 8640, while the sum is 33.

The square root of 11942538 is about 3455.7977371368. The cubic root of 11942538 is about 228.5768327219.

The spelling of 11942538 in words is "eleven million, nine hundred forty-two thousand, five hundred thirty-eight".