11228977 has 6 divisors (see below), whose sum is σ = 11498082. Its totient is φ = 10966032.

The previous prime is 11228963. The next prime is 11228983. The reversal of 11228977 is 77982211.

It can be written as a sum of positive squares in only one way, i.e., 10962721 + 266256 = 3311^2 + 516^2 .

It is not a de Polignac number, because 11228977 - 2¹⁵ = 11196209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11226977) 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 5 ways as a sum of consecutive naturals, for example, 1188 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (1916347).

Almost surely, 2^11228977 is an apocalyptic number.

It is an amenable number.

11228977 is a deficient number, since it is larger than the sum of its proper divisors (269105).

11228977 is an frugal number, since it uses more digits than its factorization.

11228977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159 (or 6116 counting only the distinct ones).

The product of its digits is 14112, while the sum is 37.

The square root of 11228977 is about 3350.9665769745. The cubic root of 11228977 is about 223.9305761155.

The spelling of 11228977 in words is "eleven million, two hundred twenty-eight thousand, nine hundred seventy-seven".