11281707 has 32 divisors (see below), whose sum is σ = 17948160. Its totient is φ = 6985440.

The previous prime is 11281703. The next prime is 11281709. The reversal of 11281707 is 70718211.

It is not a de Polignac number, because 11281707 - 2² = 11281703 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11281703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22732 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (560880).

Almost surely, 2^11281707 is an apocalyptic number.

11281707 is a deficient number, since it is larger than the sum of its proper divisors (6666453).

11281707 is a wasteful number, since it uses less digits than its factorization.

11281707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11281707 is about 3358.8252410627. The cubic root of 11281707 is about 224.2805463920.

Adding to 11281707 its reverse (70718211), we get a palindrome (81999918).

The spelling of 11281707 in words is "eleven million, two hundred eighty-one thousand, seven hundred seven".