11741987 has 4 divisors (see below), whose sum is σ = 12059376. Its totient is φ = 11424600.

The previous prime is 11741959. The next prime is 11741999. The reversal of 11741987 is 78914711.

It is a happy number.

11741987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78914711 = 1877 ⋅42043.

It is a cyclic number.

It is not a de Polignac number, because 11741987 - 2¹⁶ = 11676451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11741987.

It is not an unprimeable number, because it can be changed into a prime (11741287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158639 + ... + 158712.

It is an arithmetic number, because the mean of its divisors is an integer number (3014844).

Almost surely, 2^11741987 is an apocalyptic number.

11741987 is a deficient number, since it is larger than the sum of its proper divisors (317389).

11741987 is an equidigital number, since it uses as much as digits as its factorization.

11741987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317388.

The product of its digits is 14112, while the sum is 38.

The square root of 11741987 is about 3426.6582846849. The cubic root of 11741987 is about 227.2901062929.

The spelling of 11741987 in words is "eleven million, seven hundred forty-one thousand, nine hundred eighty-seven".