6913665 has 24 divisors (see below), whose sum is σ = 13074048. Its totient is φ = 3351840.

The previous prime is 6913661. The next prime is 6913693. The reversal of 6913665 is 5663196.

It is not a de Polignac number, because 6913665 - 2² = 6913661 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6913661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6489 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (544752).

Almost surely, 2^6913665 is an apocalyptic number.

It is an amenable number.

6913665 is a deficient number, since it is larger than the sum of its proper divisors (6160383).

6913665 is a wasteful number, since it uses less digits than its factorization.

6913665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989 (or 13986 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 6913665 is about 2629.3849090614. The cubic root of 6913665 is about 190.5034202788.

It can be divided in two parts, 691 and 3665, that added together give a square (4356 = 66²).

The spelling of 6913665 in words is "six million, nine hundred thirteen thousand, six hundred sixty-five".