11261709 has 6 divisors (see below), whose sum is σ = 16266926. Its totient is φ = 7507800.

The previous prime is 11261707. The next prime is 11261713. The reversal of 11261709 is 90716211.

It can be written as a sum of positive squares in only one way, i.e., 10989225 + 272484 = 3315^2 + 522^2 .

It is not a de Polignac number, because 11261709 - 2¹ = 11261707 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 (11261707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625642 + ... + 625659.

Almost surely, 2^11261709 is an apocalyptic number.

It is an amenable number.

11261709 is a deficient number, since it is larger than the sum of its proper divisors (5005217).

11261709 is a wasteful number, since it uses less digits than its factorization.

11261709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251307 (or 1251304 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 11261709 is about 3355.8469869766. The cubic root of 11261709 is about 224.1479478081.

The spelling of 11261709 in words is "eleven million, two hundred sixty-one thousand, seven hundred nine".