12603997 has 8 divisors (see below), whose sum is σ = 14537600. Its totient is φ = 10703664.

The previous prime is 12603967. The next prime is 12604001. The reversal of 12603997 is 79930621.

12603997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12603997 - 2⁷ = 12603869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603917) 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, 7497 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (1817200).

Almost surely, 2^12603997 is an apocalyptic number.

It is an amenable number.

12603997 is a deficient number, since it is larger than the sum of its proper divisors (1933603).

12603997 is a wasteful number, since it uses less digits than its factorization.

12603997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16635.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12603997 is about 3550.2108388094. The cubic root of 12603997 is about 232.7212800627.

The spelling of 12603997 in words is "twelve million, six hundred three thousand, nine hundred ninety-seven".