11513266 has 4 divisors (see below), whose sum is σ = 17269902. Its totient is φ = 5756632.

The previous prime is 11513263. The next prime is 11513269. The reversal of 11513266 is 66231511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66231511 = 19 ⋅3485869.

It is an interprime number because it is at equal distance from previous prime (11513263) and next prime (11513269).

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 4862025 = 2579^2 + 2205^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11513266.

It is not an unprimeable number, because it can be changed into a prime (11513263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878315 + ... + 2878318.

Almost surely, 2^11513266 is an apocalyptic number.

11513266 is a deficient number, since it is larger than the sum of its proper divisors (5756636).

11513266 is an equidigital number, since it uses as much as digits as its factorization.

11513266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756635.

The product of its digits is 1080, while the sum is 25.

The square root of 11513266 is about 3393.1203927948. The cubic root of 11513266 is about 225.8046318497.

Adding to 11513266 its reverse (66231511), we get a palindrome (77744777).

The spelling of 11513266 in words is "eleven million, five hundred thirteen thousand, two hundred sixty-six".