11479869 has 6 divisors (see below), whose sum is σ = 16582046. Its totient is φ = 7653240.

The previous prime is 11479861. The next prime is 11479873. The reversal of 11479869 is 96897411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 8100 = 3387^2 + 90^2 .

It is not a de Polignac number, because 11479869 - 2³ = 11479861 is a prime.

It is a super-2 number, since 2×11479869² = 263574784514322, 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 (11479861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 637762 + ... + 637779.

Almost surely, 2^11479869 is an apocalyptic number.

It is an amenable number.

11479869 is a deficient number, since it is larger than the sum of its proper divisors (5102177).

11479869 is a wasteful number, since it uses less digits than its factorization.

11479869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275547 (or 1275544 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11479869 is about 3388.1955374506. The cubic root of 11479869 is about 225.5860868325.

The spelling of 11479869 in words is "eleven million, four hundred seventy-nine thousand, eight hundred sixty-nine".