11979796 has 6 divisors (see below), whose sum is σ = 20964650. Its totient is φ = 5989896.

The previous prime is 11979787. The next prime is 11979817. The reversal of 11979796 is 69797911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 3857296 = 2850^2 + 1964^2 .

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 as a sum of consecutive naturals, namely, 1497471 + ... + 1497478.

Almost surely, 2^11979796 is an apocalyptic number.

It is an amenable number.

11979796 is a deficient number, since it is larger than the sum of its proper divisors (8984854).

11979796 is a wasteful number, since it uses less digits than its factorization.

11979796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994953 (or 2994951 counting only the distinct ones).

The product of its digits is 214326, while the sum is 49.

The square root of 11979796 is about 3461.1841904181. The cubic root of 11979796 is about 228.8142885187.

The spelling of 11979796 in words is "eleven million, nine hundred seventy-nine thousand, seven hundred ninety-six".