1228708 has 12 divisors (see below), whose sum is σ = 2315740. Its totient is φ = 567072.

The previous prime is 1228693. The next prime is 1228741. The reversal of 1228708 is 8078221.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 1149184 = 282^2 + 1072^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11763 + ... + 11866.

2^1228708 is an apocalyptic number.

It is an amenable number.

1228708 is a deficient number, since it is larger than the sum of its proper divisors (1087032).

1228708 is a wasteful number, since it uses less digits than its factorization.

1228708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23646 (or 23644 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1228708 is about 1108.4710190167. The cubic root of 1228708 is about 107.1065988635.

It can be divided in two parts, 1228 and 708, that added together give a square (1936 = 44²).

The spelling of 1228708 in words is "one million, two hundred twenty-eight thousand, seven hundred eight".