13828465 has 16 divisors (see below), whose sum is σ = 19251072. Its totient is φ = 9339264.

The previous prime is 13828459. The next prime is 13828487. The reversal of 13828465 is 56482831.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13828465 is a prime.

It is a super-3 number, since 3×13828465³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1203192).

Almost surely, 2^13828465 is an apocalyptic number.

It is an amenable number.

13828465 is a deficient number, since it is larger than the sum of its proper divisors (5422607).

13828465 is an equidigital number, since it uses as much as digits as its factorization.

13828465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976.

The product of its digits is 46080, while the sum is 37.

The square root of 13828465 is about 3718.6644107798. The cubic root of 13828465 is about 240.0258363390.

The spelling of 13828465 in words is "thirteen million, eight hundred twenty-eight thousand, four hundred sixty-five".