11687242 has 32 divisors (see below), whose sum is σ = 21513600. Its totient is φ = 4650048.

The previous prime is 11687233. The next prime is 11687281. The reversal of 11687242 is 24278611.

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 15 ways as a sum of consecutive naturals, for example, 13684 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (672300).

Almost surely, 2^11687242 is an apocalyptic number.

11687242 is a deficient number, since it is larger than the sum of its proper divisors (9826358).

11687242 is a wasteful number, since it uses less digits than its factorization.

11687242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910.

The product of its digits is 5376, while the sum is 31.

The square root of 11687242 is about 3418.6608489290. The cubic root of 11687242 is about 226.9363221933.

The spelling of 11687242 in words is "eleven million, six hundred eighty-seven thousand, two hundred forty-two".