13431004 has 6 divisors (see below), whose sum is σ = 23504264. Its totient is φ = 6715500.

The previous prime is 13430993. The next prime is 13431017. The reversal of 13431004 is 40013431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678872 + ... + 1678879.

Almost surely, 2^13431004 is an apocalyptic number.

It is an amenable number.

13431004 is a deficient number, since it is larger than the sum of its proper divisors (10073260).

13431004 is a wasteful number, since it uses less digits than its factorization.

13431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357755 (or 3357753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13431004 is about 3664.8334204981. The cubic root of 13431004 is about 237.7038191258.

Adding to 13431004 its reverse (40013431), we get a palindrome (53444435).

The spelling of 13431004 in words is "thirteen million, four hundred thirty-one thousand, four".