1293228 has 18 divisors (see below), whose sum is σ = 3269084. Its totient is φ = 431064.

The previous prime is 1293203. The next prime is 1293233. The reversal of 1293228 is 8223921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 17926 + ... + 17997.

2^1293228 is an apocalyptic number.

1293228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1293228 is an abundant number, since it is smaller than the sum of its proper divisors (1975856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1293228 is a wasteful number, since it uses less digits than its factorization.

1293228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35933 (or 35928 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1293228 is about 1137.2018290523. The cubic root of 1293228 is about 108.9494477028.

It can be divided in two parts, 1293 and 228, that added together give a square (1521 = 39²).

The spelling of 1293228 in words is "one million, two hundred ninety-three thousand, two hundred twenty-eight".