13195021 has 8 divisors (see below), whose sum is σ = 15227264. Its totient is φ = 11199600.

The previous prime is 13195001. The next prime is 13195027. The reversal of 13195021 is 12059131.

13195021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13195021 - 2¹³ = 13186829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13194983 and 13195001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13195027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8430 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (1903408).

Almost surely, 2^13195021 is an apocalyptic number.

It is an amenable number.

13195021 is a deficient number, since it is larger than the sum of its proper divisors (2032243).

13195021 is a wasteful number, since it uses less digits than its factorization.

13195021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 13195021 is about 3632.4951479665. The cubic root of 13195021 is about 236.3034316406.

The spelling of 13195021 in words is "thirteen million, one hundred ninety-five thousand, twenty-one".