13603042 has 4 divisors (see below), whose sum is σ = 20404566. Its totient is φ = 6801520.

The previous prime is 13603019. The next prime is 13603049. The reversal of 13603042 is 24030631.

13603042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13111641 + 491401 = 3621^2 + 701^2 .

It is not an unprimeable number, because it can be changed into a prime (13603049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400759 + ... + 3400762.

Almost surely, 2^13603042 is an apocalyptic number.

13603042 is a deficient number, since it is larger than the sum of its proper divisors (6801524).

13603042 is an equidigital number, since it uses as much as digits as its factorization.

13603042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801523.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13603042 is about 3688.2301988894. The cubic root of 13603042 is about 238.7144339993.

Adding to 13603042 its reverse (24030631), we get a palindrome (37633673).

The spelling of 13603042 in words is "thirteen million, six hundred three thousand, forty-two".