11420305 has 16 divisors (see below), whose sum is σ = 15402240. Its totient is φ = 8065728.

The previous prime is 11420303. The next prime is 11420329. The reversal of 11420305 is 50302411.

It is a cyclic number.

It is not a de Polignac number, because 11420305 - 2¹ = 11420303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11420303) 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, 2325 + ... + 5314.

It is an arithmetic number, because the mean of its divisors is an integer number (962640).

Almost surely, 2^11420305 is an apocalyptic number.

It is an amenable number.

11420305 is a deficient number, since it is larger than the sum of its proper divisors (3981935).

11420305 is a wasteful number, since it uses less digits than its factorization.

11420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11420305 is about 3379.3941764760. The cubic root of 11420305 is about 225.1952543781.

Adding to 11420305 its reverse (50302411), we get a palindrome (61722716).

The spelling of 11420305 in words is "eleven million, four hundred twenty thousand, three hundred five".