11662369 has 4 divisors (see below), whose sum is σ = 11777940. Its totient is φ = 11546800.

The previous prime is 11662367. The next prime is 11662393. The reversal of 11662369 is 96326611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 473344 = 3345^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 11662369 - 2¹ = 11662367 is a prime.

It is a super-2 number, since 2×11662369² = 272021701384322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11662367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57634 + ... + 57835.

It is an arithmetic number, because the mean of its divisors is an integer number (2944485).

Almost surely, 2^11662369 is an apocalyptic number.

It is an amenable number.

11662369 is a deficient number, since it is larger than the sum of its proper divisors (115571).

11662369 is a wasteful number, since it uses less digits than its factorization.

11662369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115570.

The product of its digits is 11664, while the sum is 34.

The square root of 11662369 is about 3415.0210833903. The cubic root of 11662369 is about 226.7752178544.

The spelling of 11662369 in words is "eleven million, six hundred sixty-two thousand, three hundred sixty-nine".