11739966 has 16 divisors (see below), whose sum is σ = 26834304. Its totient is φ = 3354264.

The previous prime is 11739907. The next prime is 11739971. The reversal of 11739966 is 66993711.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 279523 = 11739966 / (1 + 1 + 7 + 3 + 9 + 9 + 6 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139720 + ... + 139803.

It is an arithmetic number, because the mean of its divisors is an integer number (1677144).

Almost surely, 2^11739966 is an apocalyptic number.

11739966 is an abundant number, since it is smaller than the sum of its proper divisors (15094338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11739966 is a wasteful number, since it uses less digits than its factorization.

11739966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279535.

The product of its digits is 61236, while the sum is 42.

The square root of 11739966 is about 3426.3633782773. The cubic root of 11739966 is about 227.2770653523.

The spelling of 11739966 in words is "eleven million, seven hundred thirty-nine thousand, nine hundred sixty-six".