13420965 has 8 divisors (see below), whose sum is σ = 21473568. Its totient is φ = 7157840.

The previous prime is 13420961. The next prime is 13420987. The reversal of 13420965 is 56902431.

13420965 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13420965 - 2² = 13420961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420961) 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, 447351 + ... + 447380.

It is an arithmetic number, because the mean of its divisors is an integer number (2684196).

Almost surely, 2^13420965 is an apocalyptic number.

13420965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13420965 is a deficient number, since it is larger than the sum of its proper divisors (8052603).

13420965 is an equidigital number, since it uses as much as digits as its factorization.

13420965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894739.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13420965 is about 3663.4635251357. The cubic root of 13420965 is about 237.6445804807.

The spelling of 13420965 in words is "thirteen million, four hundred twenty thousand, nine hundred sixty-five".