13051206 has 80 divisors (see below), whose sum is σ = 35440416. Its totient is φ = 3504384.

The previous prime is 13051201. The next prime is 13051219. The reversal of 13051206 is 60215031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18940 + ... + 19616.

Almost surely, 2^13051206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13051206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17720208).

13051206 is an abundant number, since it is smaller than the sum of its proper divisors (22389210).

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

13051206 is a wasteful number, since it uses less digits than its factorization.

13051206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13051206 is about 3612.6452911959. The cubic root of 13051206 is about 235.4417885252.

Adding to 13051206 its reverse (60215031), we get a palindrome (73266237).

The spelling of 13051206 in words is "thirteen million, fifty-one thousand, two hundred six".