13956481 has 8 divisors (see below), whose sum is σ = 17400384. Its totient is φ = 10875120.

The previous prime is 13956463. The next prime is 13956487. The reversal of 13956481 is 18465931.

13956481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13956481 - 2⁹ = 13955969 is a prime.

It is a super-2 number, since 2×13956481² = 389566723806722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13956481.

It is not an unprimeable number, because it can be changed into a prime (13956487) 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, 90550 + ... + 90703.

It is an arithmetic number, because the mean of its divisors is an integer number (2175048).

Almost surely, 2^13956481 is an apocalyptic number.

13956481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13956481 is a deficient number, since it is larger than the sum of its proper divisors (3443903).

13956481 is a wasteful number, since it uses less digits than its factorization.

13956481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181271.

The product of its digits is 25920, while the sum is 37.

The square root of 13956481 is about 3735.8373893948. The cubic root of 13956481 is about 240.7642362993.

The spelling of 13956481 in words is "thirteen million, nine hundred fifty-six thousand, four hundred eighty-one".