12200534 has 16 divisors (see below), whose sum is σ = 19565280. Its totient is φ = 5691840.

The previous prime is 12200533. The next prime is 12200537. The reversal of 12200534 is 43500221.

12200534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1222830).

Almost surely, 2^12200534 is an apocalyptic number.

12200534 is a deficient number, since it is larger than the sum of its proper divisors (7364746).

12200534 is a wasteful number, since it uses less digits than its factorization.

12200534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12200534 is about 3492.9262803558. The cubic root of 12200534 is about 230.2111105161.

Adding to 12200534 its reverse (43500221), we get a palindrome (55700755).

The spelling of 12200534 in words is "twelve million, two hundred thousand, five hundred thirty-four".