13003042 has 16 divisors (see below), whose sum is σ = 21079800. Its totient is φ = 5980032.

The previous prime is 13003037. The next prime is 13003051. The reversal of 13003042 is 24030031.

It can be written as a sum of positive squares in 4 ways, for example, as 11964681 + 1038361 = 3459^2 + 1019^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8358 + ... + 9790.

Almost surely, 2^13003042 is an apocalyptic number.

13003042 is a deficient number, since it is larger than the sum of its proper divisors (8076758).

13003042 is a wasteful number, since it uses less digits than its factorization.

13003042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13003042 is about 3605.9731002879. The cubic root of 13003042 is about 235.1518077523.

Adding to 13003042 its reverse (24030031), we get a palindrome (37033073).

The spelling of 13003042 in words is "thirteen million, three thousand, forty-two".