1353204 has 18 divisors (see below), whose sum is σ = 3420690. Its totient is φ = 451056.

The previous prime is 1353197. The next prime is 1353221. The reversal of 1353204 is 4023531.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 121104 = 1110^2 + 348^2 .

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

It is a super-2 number, since 2×1353204² = 3662322131232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18759 + ... + 18830.

2^1353204 is an apocalyptic number.

It is an amenable number.

1353204 is an abundant number, since it is smaller than the sum of its proper divisors (2067486).

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

1353204 is a wasteful number, since it uses less digits than its factorization.

1353204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37599 (or 37594 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1353204 is about 1163.2729688255. The cubic root of 1353204 is about 110.6083102276.

Adding to 1353204 its reverse (4023531), we get a palindrome (5376735).

The spelling of 1353204 in words is "one million, three hundred fifty-three thousand, two hundred four".