12603081 has 16 divisors (see below), whose sum is σ = 17948160. Its totient is φ = 7848960.

The previous prime is 12603079. The next prime is 12603089. The reversal of 12603081 is 18030621.

It is not a de Polignac number, because 12603081 - 2¹ = 12603079 is a prime.

It is a super-2 number, since 2×12603081² = 317675301385122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12603089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (1121760).

Almost surely, 2^12603081 is an apocalyptic number.

It is an amenable number.

12603081 is a deficient number, since it is larger than the sum of its proper divisors (5345079).

12603081 is a wasteful number, since it uses less digits than its factorization.

12603081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12603081 is about 3550.0818300428. The cubic root of 12603081 is about 232.7156422253.

The spelling of 12603081 in words is "twelve million, six hundred three thousand, eighty-one".