11487705 has 8 divisors (see below), whose sum is σ = 18380352. Its totient is φ = 6126768.

The previous prime is 11487691. The next prime is 11487709. The reversal of 11487705 is 50778411.

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

It is not a de Polignac number, because 11487705 - 2⁴ = 11487689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11487709) 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, 382909 + ... + 382938.

It is an arithmetic number, because the mean of its divisors is an integer number (2297544).

Almost surely, 2^11487705 is an apocalyptic number.

11487705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11487705 is a deficient number, since it is larger than the sum of its proper divisors (6892647).

11487705 is an equidigital number, since it uses as much as digits as its factorization.

11487705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765855.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 11487705 is about 3389.3517079229. The cubic root of 11487705 is about 225.6374024740.

The spelling of 11487705 in words is "eleven million, four hundred eighty-seven thousand, seven hundred five".