12723030 has 48 divisors (see below), whose sum is σ = 33256080. Its totient is φ = 3374784.

The previous prime is 12723019. The next prime is 12723031. The reversal of 12723030 is 3032721.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12722994 and 12723012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33381 + ... + 33759.

It is an arithmetic number, because the mean of its divisors is an integer number (692835).

Almost surely, 2^12723030 is an apocalyptic number.

12723030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12723030 is an abundant number, since it is smaller than the sum of its proper divisors (20533050).

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

12723030 is a wasteful number, since it uses less digits than its factorization.

12723030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12723030 is about 3566.9356596384. The cubic root of 12723030 is about 233.4515976443.

Adding to 12723030 its reverse (3032721), we get a palindrome (15755751).

It can be divided in two parts, 127230 and 30, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 12723030 in words is "twelve million, seven hundred twenty-three thousand, thirty".