11223709 has 8 divisors (see below), whose sum is σ = 13140288. Its totient is φ = 9385440.

The previous prime is 11223697. The next prime is 11223713. The reversal of 11223709 is 90732211.

11223709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11223709 - 2¹³ = 11215517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223749) 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, 19267 + ... + 19840.

It is an arithmetic number, because the mean of its divisors is an integer number (1642536).

Almost surely, 2^11223709 is an apocalyptic number.

It is an amenable number.

11223709 is a deficient number, since it is larger than the sum of its proper divisors (1916579).

11223709 is an equidigital number, since it uses as much as digits as its factorization.

11223709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39155.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11223709 is about 3350.1804429015. The cubic root of 11223709 is about 223.8955521235.

The spelling of 11223709 in words is "eleven million, two hundred twenty-three thousand, seven hundred nine".