12106772 has 12 divisors (see below), whose sum is σ = 21280980. Its totient is φ = 6026496.

The previous prime is 12106711. The next prime is 12106789. The reversal of 12106772 is 27760121.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 3556996 = 2924^2 + 1886^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5693 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (1773415).

Almost surely, 2^12106772 is an apocalyptic number.

It is an amenable number.

12106772 is a deficient number, since it is larger than the sum of its proper divisors (9174208).

12106772 is a wasteful number, since it uses less digits than its factorization.

12106772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12106772 is about 3479.4786965866. The cubic root of 12106772 is about 229.6198635625.

Adding to 12106772 its reverse (27760121), we get a palindrome (39866893).

The spelling of 12106772 in words is "twelve million, one hundred six thousand, seven hundred seventy-two".