1200513 has 8 divisors (see below), whose sum is σ = 1656000. Its totient is φ = 772688.

The previous prime is 1200509. The next prime is 1200527. The reversal of 1200513 is 3150021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200513 - 2² = 1200509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6813 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (207000).

2^1200513 is an apocalyptic number.

It is an amenable number.

1200513 is a deficient number, since it is larger than the sum of its proper divisors (455487).

1200513 is a wasteful number, since it uses less digits than its factorization.

1200513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1200513 is about 1095.6792413841. The cubic root of 1200513 is about 106.2809976455.

Adding to 1200513 its reverse (3150021), we get a palindrome (4350534).

The spelling of 1200513 in words is "one million, two hundred thousand, five hundred thirteen".