1200613 has 6 divisors (see below), whose sum is σ = 1235346. Its totient is φ = 1166832.

The previous prime is 1200611. The next prime is 1200637. The reversal of 1200613 is 3160021.

It can be written as a sum of positive squares in 3 ways, for example, as 889249 + 311364 = 943^2 + 558^2 .

It is not a de Polignac number, because 1200613 - 2¹ = 1200611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200593 and 1200602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 931 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (205891).

2^1200613 is an apocalyptic number.

It is an amenable number.

1200613 is a deficient number, since it is larger than the sum of its proper divisors (34733).

1200613 is an frugal number, since it uses more digits than its factorization.

1200613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1200613 is about 1095.7248742271. The cubic root of 1200613 is about 106.2839485520.

Adding to 1200613 its reverse (3160021), we get a palindrome (4360634).

The spelling of 1200613 in words is "one million, two hundred thousand, six hundred thirteen".