11512206 has 40 divisors (see below), whose sum is σ = 26005320. Its totient is φ = 3806352.

The previous prime is 11512199. The next prime is 11512211. The reversal of 11512206 is 60221511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28800 + ... + 29196.

It is an arithmetic number, because the mean of its divisors is an integer number (650133).

Almost surely, 2^11512206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11512206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13002660).

11512206 is an abundant number, since it is smaller than the sum of its proper divisors (14493114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512206 is a wasteful number, since it uses less digits than its factorization.

11512206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11512206 is about 3392.9641907925. The cubic root of 11512206 is about 225.7977018655.

Adding to 11512206 its reverse (60221511), we get a palindrome (71733717).

It can be divided in two parts, 115 and 12206, that added together give a palindrome (12321).

The spelling of 11512206 in words is "eleven million, five hundred twelve thousand, two hundred six".