11445709 has 16 divisors (see below), whose sum is σ = 13378176. Its totient is φ = 9676800.

The previous prime is 11445689. The next prime is 11445737. The reversal of 11445709 is 90754411.

It is a cyclic number.

It is not a de Polignac number, because 11445709 - 2⁹ = 11445197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17824 + ... + 18454.

It is an arithmetic number, because the mean of its divisors is an integer number (836136).

Almost surely, 2^11445709 is an apocalyptic number.

It is an amenable number.

11445709 is a deficient number, since it is larger than the sum of its proper divisors (1932467).

11445709 is a wasteful number, since it uses less digits than its factorization.

11445709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11445709 is about 3383.1507504100. The cubic root of 11445709 is about 225.3621099200.

The spelling of 11445709 in words is "eleven million, four hundred forty-five thousand, seven hundred nine".