13061856 has 48 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 4330368.

The previous prime is 13061849. The next prime is 13061857. The reversal of 13061856 is 65816031.

13061856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13061856² = 341224164329472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34275 + ... + 34653.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^13061856 is an apocalyptic number.

13061856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13061856 is an abundant number, since it is smaller than the sum of its proper divisors (21411744).

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

13061856 is a wasteful number, since it uses less digits than its factorization.

13061856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13061856 is about 3614.1189797792. The cubic root of 13061856 is about 235.5058125783.

Adding to 13061856 its reverse (65816031), we get a palindrome (78877887).

The spelling of 13061856 in words is "thirteen million, sixty-one thousand, eight hundred fifty-six".