13081296 has 120 divisors (see below), whose sum is σ = 38372544. Its totient is φ = 3829760.

The previous prime is 13081283. The next prime is 13081297. The reversal of 13081296 is 69218031.

13081296 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 super-2 number, since 2×13081296² = 342240610079232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319036 + ... + 319076.

Almost surely, 2^13081296 is an apocalyptic number.

13081296 is a gapful number since it is divisible by the number (16) 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 13081296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19186272).

13081296 is an abundant number, since it is smaller than the sum of its proper divisors (25291248).

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

13081296 is a wasteful number, since it uses less digits than its factorization.

13081296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 13081296 is about 3616.8074319764. The cubic root of 13081296 is about 235.6225893366.

The spelling of 13081296 in words is "thirteen million, eighty-one thousand, two hundred ninety-six".