1329224 has 16 divisors (see below), whose sum is σ = 2684220. Its totient is φ = 613440.

The previous prime is 1329217. The next prime is 1329233. The reversal of 1329224 is 4229231.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 6724 = 1150^2 + 82^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1329224.

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, 6287 + ... + 6494.

2^1329224 is an apocalyptic number.

It is an amenable number.

1329224 is an abundant number, since it is smaller than the sum of its proper divisors (1354996).

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

1329224 is a wasteful number, since it uses less digits than its factorization.

1329224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800 (or 12796 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1329224 is about 1152.9197717101. The cubic root of 1329224 is about 109.9510526030.

The spelling of 1329224 in words is "one million, three hundred twenty-nine thousand, two hundred twenty-four".