13745415 has 8 divisors (see below), whose sum is σ = 21992688. Its totient is φ = 7330880.

The previous prime is 13745377. The next prime is 13745419. The reversal of 13745415 is 51454731.

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

It is not a de Polignac number, because 13745415 - 2⁷ = 13745287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745419) by changing a digit.

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, 458166 + ... + 458195.

It is an arithmetic number, because the mean of its divisors is an integer number (2749086).

Almost surely, 2^13745415 is an apocalyptic number.

13745415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13745415 is a deficient number, since it is larger than the sum of its proper divisors (8247273).

13745415 is an equidigital number, since it uses as much as digits as its factorization.

13745415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916369.

The product of its digits is 8400, while the sum is 30.

The square root of 13745415 is about 3707.4809507265. The cubic root of 13745415 is about 239.5443612139.

The spelling of 13745415 in words is "thirteen million, seven hundred forty-five thousand, four hundred fifteen".