13375021 has 8 divisors (see below), whose sum is σ = 14930784. Its totient is φ = 11875920.

The previous prime is 13375001. The next prime is 13375049. The reversal of 13375021 is 12057331.

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 13375021 - 2⁹ = 13374509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13374983 and 13375001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13666 + ... + 14611.

It is an arithmetic number, because the mean of its divisors is an integer number (1866348).

Almost surely, 2^13375021 is an apocalyptic number.

13375021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13375021 is a deficient number, since it is larger than the sum of its proper divisors (1555763).

13375021 is a wasteful number, since it uses less digits than its factorization.

13375021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13375021 is about 3657.1875806417. The cubic root of 13375021 is about 237.3730941587.

The spelling of 13375021 in words is "thirteen million, three hundred seventy-five thousand, twenty-one".