13145404 has 12 divisors (see below), whose sum is σ = 23109184. Its totient is φ = 6542784.

The previous prime is 13145399. The next prime is 13145411. The reversal of 13145404 is 40454131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477 + ... + 8260.

Almost surely, 2^13145404 is an apocalyptic number.

It is an amenable number.

13145404 is a deficient number, since it is larger than the sum of its proper divisors (9963780).

13145404 is a wasteful number, since it uses less digits than its factorization.

13145404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14964 (or 14962 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 13145404 is about 3625.6591124925. The cubic root of 13145404 is about 236.0068704310.

Adding to 13145404 its reverse (40454131), we get a palindrome (53599535).

The spelling of 13145404 in words is "thirteen million, one hundred forty-five thousand, four hundred four".