13251404 has 12 divisors (see below), whose sum is σ = 24198384. Its totient is φ = 6337584.

The previous prime is 13251391. The next prime is 13251419. The reversal of 13251404 is 40415231.

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, 71927 + ... + 72110.

It is an arithmetic number, because the mean of its divisors is an integer number (2016532).

Almost surely, 2^13251404 is an apocalyptic number.

It is an amenable number.

13251404 is a deficient number, since it is larger than the sum of its proper divisors (10946980).

13251404 is a wasteful number, since it uses less digits than its factorization.

13251404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144064 (or 144062 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13251404 is about 3640.2477937635. The cubic root of 13251404 is about 236.6395322547.

Adding to 13251404 its reverse (40415231), we get a palindrome (53666635).

The spelling of 13251404 in words is "thirteen million, two hundred fifty-one thousand, four hundred four".