13628015 has 8 divisors (see below), whose sum is σ = 16522800. Its totient is φ = 10789632.

The previous prime is 13628011. The next prime is 13628023. The reversal of 13628015 is 51082631.

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 13628015 - 2² = 13628011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13628011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13565 + ... + 14534.

It is an arithmetic number, because the mean of its divisors is an integer number (2065350).

Almost surely, 2^13628015 is an apocalyptic number.

13628015 is a deficient number, since it is larger than the sum of its proper divisors (2894785).

13628015 is an equidigital number, since it uses as much as digits as its factorization.

13628015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 13628015 is about 3691.6141456008. The cubic root of 13628015 is about 238.8604251486.

The spelling of 13628015 in words is "thirteen million, six hundred twenty-eight thousand, fifteen".