13403044 has 12 divisors (see below), whose sum is σ = 23719500. Its totient is φ = 6626048.

The previous prime is 13403041. The next prime is 13403053. The reversal of 13403044 is 44030431.

It can be written as a sum of positive squares in 2 ways, for example, as 8340544 + 5062500 = 2888^2 + 2250^2 .

It is not an unprimeable number, because it can be changed into a prime (13403041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18469 + ... + 19180.

It is an arithmetic number, because the mean of its divisors is an integer number (1976625).

Almost surely, 2^13403044 is an apocalyptic number.

It is an amenable number.

13403044 is a deficient number, since it is larger than the sum of its proper divisors (10316456).

13403044 is a wasteful number, since it uses less digits than its factorization.

13403044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37742 (or 37740 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13403044 is about 3661.0167986503. The cubic root of 13403044 is about 237.5387578483.

Adding to 13403044 its reverse (44030431), we get a palindrome (57433475).

The spelling of 13403044 in words is "thirteen million, four hundred three thousand, forty-four".