13400304 has 20 divisors (see below), whose sum is σ = 34617576. Its totient is φ = 4466752.

The previous prime is 13400281. The next prime is 13400341. The reversal of 13400304 is 40300431.

13400304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139539 + ... + 139634.

Almost surely, 2^13400304 is an apocalyptic number.

It is an amenable number.

13400304 is an abundant number, since it is smaller than the sum of its proper divisors (21217272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13400304 is a wasteful number, since it uses less digits than its factorization.

13400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279184 (or 279178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13400304 is about 3660.6425665448. The cubic root of 13400304 is about 237.5225699696.

Adding to 13400304 its reverse (40300431), we get a palindrome (53700735).

The spelling of 13400304 in words is "thirteen million, four hundred thousand, three hundred four".