11642369 has 8 divisors (see below), whose sum is σ = 12081960. Its totient is φ = 11205376.

The previous prime is 11642359. The next prime is 11642377. The reversal of 11642369 is 96324611.

It can be written as a sum of positive squares in 4 ways, for example, as 6190144 + 5452225 = 2488^2 + 2335^2 .

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 11642369 - 2¹² = 11638273 is a prime.

It is a super-2 number, since 2×11642369² = 271089511864322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11642359) 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, 16859 + ... + 17535.

It is an arithmetic number, because the mean of its divisors is an integer number (1510245).

Almost surely, 2^11642369 is an apocalyptic number.

It is an amenable number.

11642369 is a deficient number, since it is larger than the sum of its proper divisors (439591).

11642369 is an equidigital number, since it uses as much as digits as its factorization.

11642369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 7776, while the sum is 32.

The square root of 11642369 is about 3412.0915872819. The cubic root of 11642369 is about 226.6455100880.

The spelling of 11642369 in words is "eleven million, six hundred forty-two thousand, three hundred sixty-nine".