13943155 has 8 divisors (see below), whose sum is σ = 16752384. Its totient is φ = 11140800.

The previous prime is 13943143. The next prime is 13943159. The reversal of 13943155 is 55134931.

It is a happy number.

13943155 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 13943155 - 2¹⁵ = 13910387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13943159) 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, 5550 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (2094048).

Almost surely, 2^13943155 is an apocalyptic number.

13943155 is a deficient number, since it is larger than the sum of its proper divisors (2809229).

13943155 is a wasteful number, since it uses less digits than its factorization.

13943155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its digits is 8100, while the sum is 31.

The square root of 13943155 is about 3734.0534275771. The cubic root of 13943155 is about 240.6875826424.

The spelling of 13943155 in words is "thirteen million, nine hundred forty-three thousand, one hundred fifty-five".