11747542 has 8 divisors (see below), whose sum is σ = 17682336. Its totient is φ = 5853432.

The previous prime is 11747539. The next prime is 11747551. The reversal of 11747542 is 24574711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9438 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (2210292).

Almost surely, 2^11747542 is an apocalyptic number.

11747542 is a deficient number, since it is larger than the sum of its proper divisors (5934794).

11747542 is a wasteful number, since it uses less digits than its factorization.

11747542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20342.

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

The square root of 11747542 is about 3427.4687452988. The cubic root of 11747542 is about 227.3259434269.

The spelling of 11747542 in words is "eleven million, seven hundred forty-seven thousand, five hundred forty-two".