13269021 has 8 divisors (see below), whose sum is σ = 17755680. Its totient is φ = 8814192.

The previous prime is 13269017. The next prime is 13269029. The reversal of 13269021 is 12096231.

13269021 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 13269021 - 2² = 13269017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13268982 and 13269000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13269029) 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, 6966 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (2219460).

Almost surely, 2^13269021 is an apocalyptic number.

It is an amenable number.

13269021 is a deficient number, since it is larger than the sum of its proper divisors (4486659).

13269021 is a wasteful number, since it uses less digits than its factorization.

13269021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15915.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13269021 is about 3642.6667429234. Note that the first 3 decimals coincide. The cubic root of 13269021 is about 236.7443521558.

The spelling of 13269021 in words is "thirteen million, two hundred sixty-nine thousand, twenty-one".