13420955 has 8 divisors (see below), whose sum is σ = 16202592. Its totient is φ = 10671808.

The previous prime is 13420949. The next prime is 13420961. The reversal of 13420955 is 55902431.

It is an interprime number because it is at equal distance from previous prime (13420949) and next prime (13420961).

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 13420955 - 2⁸ = 13420699 is a prime.

It is a super-2 number, since 2×13420955² = 360244066224050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7202 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (2025324).

Almost surely, 2^13420955 is an apocalyptic number.

13420955 is a deficient number, since it is larger than the sum of its proper divisors (2781637).

13420955 is a wasteful number, since it uses less digits than its factorization.

13420955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 13420955 is about 3663.4621603068. The cubic root of 13420955 is about 237.6445214575.

The spelling of 13420955 in words is "thirteen million, four hundred twenty thousand, nine hundred fifty-five".