13398045 has 16 divisors (see below), whose sum is σ = 22129152. Its totient is φ = 6914880.

The previous prime is 13398019. The next prime is 13398053. The reversal of 13398045 is 54089331.

It is not a de Polignac number, because 13398045 - 2⁵ = 13398013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13397997 and 13398015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13942 + ... + 14871.

It is an arithmetic number, because the mean of its divisors is an integer number (1383072).

Almost surely, 2^13398045 is an apocalyptic number.

13398045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13398045 is a deficient number, since it is larger than the sum of its proper divisors (8731107).

13398045 is a wasteful number, since it uses less digits than its factorization.

13398045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28852.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 13398045 is about 3660.3340011534. The cubic root of 13398045 is about 237.5092221719.

The spelling of 13398045 in words is "thirteen million, three hundred ninety-eight thousand, forty-five".