13428045 has 32 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 6739200.

The previous prime is 13427983. The next prime is 13428049. The reversal of 13428045 is 54082431.

13428045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13428045 - 2⁷ = 13427917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13428049) 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 31 ways as a sum of consecutive naturals, for example, 631 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^13428045 is an apocalyptic number.

13428045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13428045 is a deficient number, since it is larger than the sum of its proper divisors (11852595).

13428045 is a wasteful number, since it uses less digits than its factorization.

13428045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13428045 is about 3664.4296964193. The cubic root of 13428045 is about 237.6863615761.

The spelling of 13428045 in words is "thirteen million, four hundred twenty-eight thousand, forty-five".