11801669 has 16 divisors (see below), whose sum is σ = 13561344. Its totient is φ = 10171200.

The previous prime is 11801663. The next prime is 11801693. The reversal of 11801669 is 96610811.

It is a cyclic number.

It is not a de Polignac number, because 11801669 - 2¹⁶ = 11736133 is a prime.

It is a super-2 number, since 2×11801669² = 278558782371122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11801663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17747 + ... + 18399.

It is an arithmetic number, because the mean of its divisors is an integer number (847584).

Almost surely, 2^11801669 is an apocalyptic number.

It is an amenable number.

11801669 is a deficient number, since it is larger than the sum of its proper divisors (1759675).

11801669 is a wasteful number, since it uses less digits than its factorization.

11801669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11801669 is about 3435.3557312162. The cubic root of 11801669 is about 227.6745446315.

The spelling of 11801669 in words is "eleven million, eight hundred one thousand, six hundred sixty-nine".