11977436 has 12 divisors (see below), whose sum is σ = 21005712. Its totient is φ = 5975808.

The previous prime is 11977423. The next prime is 11977447. The reversal of 11977436 is 63477911.

It is a self number, because there is not a number n which added to its sum of digits gives 11977436.

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 3 ways as a sum of consecutive naturals, for example, 965 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (1750476).

Almost surely, 2^11977436 is an apocalyptic number.

It is an amenable number.

11977436 is a deficient number, since it is larger than the sum of its proper divisors (9028276).

11977436 is a wasteful number, since it uses less digits than its factorization.

11977436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6458 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 11977436 is about 3460.8432498453. The cubic root of 11977436 is about 228.7992621865.

The spelling of 11977436 in words is "eleven million, nine hundred seventy-seven thousand, four hundred thirty-six".