13490568 has 192 divisors, whose sum is σ = 47174400. Its totient is φ = 3386880.

The previous prime is 13490509. The next prime is 13490573. The reversal of 13490568 is 86509431.

13490568 is a `hidden beast` number, since 1 + 3 + 4 + 90 + 568 = 666.

13490568 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189973 + ... + 190043.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^13490568 is an apocalyptic number.

13490568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13490568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23587200).

13490568 is an abundant number, since it is smaller than the sum of its proper divisors (33683832).

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

13490568 is a wasteful number, since it uses less digits than its factorization.

13490568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13490568 is about 3672.9508572808. The cubic root of 13490568 is about 238.0546916657.

Adding to 13490568 its reverse (86509431), we get a palindrome (99999999).

The spelling of 13490568 in words is "thirteen million, four hundred ninety thousand, five hundred sixty-eight".