11977628 has 12 divisors (see below), whose sum is σ = 22573320. Its totient is φ = 5528112.

The previous prime is 11977627. The next prime is 11977631. The reversal of 11977628 is 82677911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977627) by changing a digit.

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, 115118 + ... + 115221.

It is an arithmetic number, because the mean of its divisors is an integer number (1881110).

Almost surely, 2^11977628 is an apocalyptic number.

It is an amenable number.

11977628 is a deficient number, since it is larger than the sum of its proper divisors (10595692).

11977628 is a wasteful number, since it uses less digits than its factorization.

11977628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230356 (or 230354 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 11977628 is about 3460.8709886386. The cubic root of 11977628 is about 228.8004847415.

The spelling of 11977628 in words is "eleven million, nine hundred seventy-seven thousand, six hundred twenty-eight".