11651266 has 8 divisors (see below), whose sum is σ = 19065744. Its totient is φ = 5296020.

The previous prime is 11651249. The next prime is 11651267. The reversal of 11651266 is 66215611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11651267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264780 + ... + 264823.

It is an arithmetic number, because the mean of its divisors is an integer number (2383218).

Almost surely, 2^11651266 is an apocalyptic number.

11651266 is a deficient number, since it is larger than the sum of its proper divisors (7414478).

11651266 is a wasteful number, since it uses less digits than its factorization.

11651266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529616.

The product of its digits is 2160, while the sum is 28.

The square root of 11651266 is about 3413.3950840768. The cubic root of 11651266 is about 226.7032289156.

Adding to 11651266 its reverse (66215611), we get a palindrome (77866877).

The spelling of 11651266 in words is "eleven million, six hundred fifty-one thousand, two hundred sixty-six".