11144709 has 12 divisors (see below), whose sum is σ = 16694496. Its totient is φ = 7429644.

The previous prime is 11144699. The next prime is 11144723. The reversal of 11144709 is 90744111.

It is not a de Polignac number, because 11144709 - 2⁵ = 11144677 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22689 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (1391208).

Almost surely, 2^11144709 is an apocalyptic number.

It is an amenable number.

11144709 is a deficient number, since it is larger than the sum of its proper divisors (5549787).

11144709 is an frugal number, since it uses more digits than its factorization.

11144709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45878 (or 45866 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11144709 is about 3338.3692126546. The cubic root of 11144709 is about 223.3690057125.

The spelling of 11144709 in words is "eleven million, one hundred forty-four thousand, seven hundred nine".