11731065 has 8 divisors (see below), whose sum is σ = 18769728. Its totient is φ = 6256560.

The previous prime is 11731061. The next prime is 11731079. The reversal of 11731065 is 56013711.

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

It is not a de Polignac number, because 11731065 - 2² = 11731061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11731061) 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, 391021 + ... + 391050.

It is an arithmetic number, because the mean of its divisors is an integer number (2346216).

Almost surely, 2^11731065 is an apocalyptic number.

11731065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11731065 is a deficient number, since it is larger than the sum of its proper divisors (7038663).

11731065 is an equidigital number, since it uses as much as digits as its factorization.

11731065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782079.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 11731065 is about 3425.0642329743. The cubic root of 11731065 is about 227.2196119027.

Adding to 11731065 its reverse (56013711), we get a palindrome (67744776).

The spelling of 11731065 in words is "eleven million, seven hundred thirty-one thousand, sixty-five".