13813955 has 8 divisors (see below), whose sum is σ = 16607472. Its totient is φ = 11030688.

The previous prime is 13813951. The next prime is 13813963. The reversal of 13813955 is 55931831.

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 13813955 - 2² = 13813951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13813951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (2075934).

Almost surely, 2^13813955 is an apocalyptic number.

13813955 is a deficient number, since it is larger than the sum of its proper divisors (2793517).

13813955 is an equidigital number, since it uses as much as digits as its factorization.

13813955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 16200, while the sum is 35.

The square root of 13813955 is about 3716.7129294580. The cubic root of 13813955 is about 239.9418551273.

The spelling of 13813955 in words is "thirteen million, eight hundred thirteen thousand, nine hundred fifty-five".