13003044 has 24 divisors (see below), whose sum is σ = 30655968. Its totient is φ = 4289280.

The previous prime is 13003037. The next prime is 13003051. The reversal of 13003044 is 44030031.

It is an interprime number because it is at equal distance from previous prime (13003037) and next prime (13003051).

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, 4422 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1277332).

Almost surely, 2^13003044 is an apocalyptic number.

It is an amenable number.

13003044 is an abundant number, since it is smaller than the sum of its proper divisors (17652924).

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

13003044 is a wasteful number, since it uses less digits than its factorization.

13003044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275 (or 11273 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13003044 is about 3605.9733776056. The cubic root of 13003044 is about 235.1518198085.

Adding to 13003044 its reverse (44030031), we get a palindrome (57033075).

The spelling of 13003044 in words is "thirteen million, three thousand, forty-four".