1200213 has 12 divisors (see below), whose sum is σ = 1981408. Its totient is φ = 685800.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200213 is 3120021.

It is a happy number.

It is not a de Polignac number, because 1200213 - 2¹⁰ = 1199189 is a prime.

It is a super-2 number, since 2×1200213² = 2881022490738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1200195 and 1200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9463 + ... + 9588.

2^1200213 is an apocalyptic number.

It is an amenable number.

1200213 is a deficient number, since it is larger than the sum of its proper divisors (781195).

1200213 is a wasteful number, since it uses less digits than its factorization.

1200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19064 (or 19061 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1200213 is about 1095.5423314505. The cubic root of 1200213 is about 106.2721439428.

Adding to 1200213 its reverse (3120021), we get a palindrome (4320234).

It can be divided in two parts, 120021 and 3, that multiplied together give a palindrome (360063).

The spelling of 1200213 in words is "one million, two hundred thousand, two hundred thirteen".