11322909 has 20 divisors (see below), whose sum is σ = 18217276. Its totient is φ = 6967296.

The previous prime is 11322869. The next prime is 11322931. The reversal of 11322909 is 90922311.

11322909 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6579225 + 4743684 = 2565^2 + 2178^2 .

It is not a de Polignac number, because 11322909 - 2¹³ = 11314717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322989) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4324 + ... + 6429.

Almost surely, 2^11322909 is an apocalyptic number.

It is an amenable number.

11322909 is a deficient number, since it is larger than the sum of its proper divisors (6894367).

11322909 is a wasteful number, since it uses less digits than its factorization.

11322909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778 (or 10769 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11322909 is about 3364.9530457348. The cubic root of 11322909 is about 224.5532468610.

The spelling of 11322909 in words is "eleven million, three hundred twenty-two thousand, nine hundred nine".