11893538 has 16 divisors (see below), whose sum is σ = 18852480. Its totient is φ = 5618256.

The previous prime is 11893537. The next prime is 11893547. The reversal of 11893538 is 83539811.

It is not an unprimeable number, because it can be changed into a prime (11893537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1178280).

Almost surely, 2^11893538 is an apocalyptic number.

11893538 is a deficient number, since it is larger than the sum of its proper divisors (6958942).

11893538 is a wasteful number, since it uses less digits than its factorization.

11893538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its digits is 25920, while the sum is 38.

The square root of 11893538 is about 3448.7009148374. The cubic root of 11893538 is about 228.2637887673.

The spelling of 11893538 in words is "eleven million, eight hundred ninety-three thousand, five hundred thirty-eight".