13400568 has 24 divisors (see below), whose sum is σ = 36293400. Its totient is φ = 4466832.

The previous prime is 13400561. The next prime is 13400591. The reversal of 13400568 is 86500431.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92988 + ... + 93131.

It is an arithmetic number, because the mean of its divisors is an integer number (1512225).

Almost surely, 2^13400568 is an apocalyptic number.

13400568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13400568 is an abundant number, since it is smaller than the sum of its proper divisors (22892832).

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

13400568 is a wasteful number, since it uses less digits than its factorization.

13400568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186131 (or 186124 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13400568 is about 3660.6786256103. The cubic root of 13400568 is about 237.5241297737.

Adding to 13400568 its reverse (86500431), we get a palindrome (99900999).

The spelling of 13400568 in words is "thirteen million, four hundred thousand, five hundred sixty-eight".