13403361 has 16 divisors (see below), whose sum is σ = 19436544. Its totient is φ = 8181504.

The previous prime is 13403333. The next prime is 13403371. The reversal of 13403361 is 16330431.

It is not a de Polignac number, because 13403361 - 2⁶ = 13403297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13403371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (1214784).

Almost surely, 2^13403361 is an apocalyptic number.

It is an amenable number.

13403361 is a deficient number, since it is larger than the sum of its proper divisors (6033183).

13403361 is a wasteful number, since it uses less digits than its factorization.

13403361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13403361 is about 3661.0600923776. The cubic root of 13403361 is about 237.5406305372.

Adding to 13403361 its reverse (16330431), we get a palindrome (29733792).

The spelling of 13403361 in words is "thirteen million, four hundred three thousand, three hundred sixty-one".