11243659 has 4 divisors (see below), whose sum is σ = 12849904. Its totient is φ = 9637416.

The previous prime is 11243657. The next prime is 11243663. The reversal of 11243659 is 95634211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95634211 = 523 ⋅182857.

It is a cyclic number.

It is not a de Polignac number, because 11243659 - 2¹ = 11243657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11243659.

It is not an unprimeable number, because it can be changed into a prime (11243651) 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, 803112 + ... + 803125.

It is an arithmetic number, because the mean of its divisors is an integer number (3212476).

Almost surely, 2^11243659 is an apocalyptic number.

11243659 is a deficient number, since it is larger than the sum of its proper divisors (1606245).

11243659 is an equidigital number, since it uses as much as digits as its factorization.

11243659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606244.

The product of its digits is 6480, while the sum is 31.

The square root of 11243659 is about 3353.1565725447. The cubic root of 11243659 is about 224.0281307677.

The spelling of 11243659 in words is "eleven million, two hundred forty-three thousand, six hundred fifty-nine".