12723102 has 64 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 3587328.

The previous prime is 12723101. The next prime is 12723107. The reversal of 12723102 is 20132721.

It is a super-3 number, since 3×12723102³ (a number of 22 digits) contains 333 as substring.

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 (12723101) 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 31 ways as a sum of consecutive naturals, for example, 36493 + ... + 36839.

It is an arithmetic number, because the mean of its divisors is an integer number (511560).

Almost surely, 2^12723102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12723102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369920).

12723102 is an abundant number, since it is smaller than the sum of its proper divisors (20016738).

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

12723102 is a wasteful number, since it uses less digits than its factorization.

12723102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12723102 is about 3566.9457523209. The cubic root of 12723102 is about 233.4520380133.

Adding to 12723102 its reverse (20132721), we get a palindrome (32855823).

The spelling of 12723102 in words is "twelve million, seven hundred twenty-three thousand, one hundred two".