11979266 has 16 divisors (see below), whose sum is σ = 19764864. Its totient is φ = 5410704.

The previous prime is 11979263. The next prime is 11979269. The reversal of 11979266 is 66297911.

It is an interprime number because it is at equal distance from previous prime (11979263) and next prime (11979269).

It is not an unprimeable number, because it can be changed into a prime (11979263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3680 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (1235304).

Almost surely, 2^11979266 is an apocalyptic number.

11979266 is a deficient number, since it is larger than the sum of its proper divisors (7785598).

11979266 is a wasteful number, since it uses less digits than its factorization.

11979266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865.

The product of its digits is 40824, while the sum is 41.

The square root of 11979266 is about 3461.1076261798. The cubic root of 11979266 is about 228.8109141329.

The spelling of 11979266 in words is "eleven million, nine hundred seventy-nine thousand, two hundred sixty-six".