11713965 has 8 divisors (see below), whose sum is σ = 18742368. Its totient is φ = 6247440.

The previous prime is 11713943. The next prime is 11713981. The reversal of 11713965 is 56931711.

It is a happy number.

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

It is not a de Polignac number, because 11713965 - 2⁹ = 11713453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390451 + ... + 390480.

It is an arithmetic number, because the mean of its divisors is an integer number (2342796).

Almost surely, 2^11713965 is an apocalyptic number.

11713965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11713965 is a deficient number, since it is larger than the sum of its proper divisors (7028403).

11713965 is an equidigital number, since it uses as much as digits as its factorization.

11713965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780939.

The product of its digits is 5670, while the sum is 33.

The square root of 11713965 is about 3422.5670190662. The cubic root of 11713965 is about 227.1091546169.

The spelling of 11713965 in words is "eleven million, seven hundred thirteen thousand, nine hundred sixty-five".