12603072 has 56 divisors (see below), whose sum is σ = 34180272. Its totient is φ = 4096000.

The previous prime is 12603053. The next prime is 12603079. The reversal of 12603072 is 27030621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12603079) 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, 7072 + ... + 8672.

It is an arithmetic number, because the mean of its divisors is an integer number (610362).

Almost surely, 2^12603072 is an apocalyptic number.

12603072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12603072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17090136).

12603072 is an abundant number, since it is smaller than the sum of its proper divisors (21577200).

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

12603072 is a wasteful number, since it uses less digits than its factorization.

12603072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12603072 is about 3550.0805624662. The cubic root of 12603072 is about 232.7155868304.

Adding to 12603072 its reverse (27030621), we get a palindrome (39633693).

The spelling of 12603072 in words is "twelve million, six hundred three thousand, seventy-two".