1353207 has 4 divisors (see below), whose sum is σ = 1804280. Its totient is φ = 902136.

The previous prime is 1353197. The next prime is 1353221. The reversal of 1353207 is 7023531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1353207 - 2¹⁸ = 1091063 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

1353207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353257) 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 3 ways as a sum of consecutive naturals, for example, 225532 + ... + 225537.

It is an arithmetic number, because the mean of its divisors is an integer number (451070).

2^1353207 is an apocalyptic number.

1353207 is a deficient number, since it is larger than the sum of its proper divisors (451073).

1353207 is an equidigital number, since it uses as much as digits as its factorization.

1353207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451072.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1353207 is about 1163.2742582899. The cubic root of 1353207 is about 110.6083919656.

Adding to 1353207 its reverse (7023531), we get a palindrome (8376738).

The spelling of 1353207 in words is "one million, three hundred fifty-three thousand, two hundred seven".