11669813 has 8 divisors (see below), whose sum is σ = 12004608. Its totient is φ = 11337984.

The previous prime is 11669767. The next prime is 11669821. The reversal of 11669813 is 31896611.

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

It is a cyclic number.

It is not a de Polignac number, because 11669813 - 2⁸ = 11669557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665813) 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, 8981 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (1500576).

Almost surely, 2^11669813 is an apocalyptic number.

It is an amenable number.

11669813 is a deficient number, since it is larger than the sum of its proper divisors (334795).

11669813 is a wasteful number, since it uses less digits than its factorization.

11669813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its digits is 7776, while the sum is 35.

The square root of 11669813 is about 3416.1108003108. The cubic root of 11669813 is about 226.8234572152.

The spelling of 11669813 in words is "eleven million, six hundred sixty-nine thousand, eight hundred thirteen".