13351206021 has 8 divisors (see below), whose sum is σ = 17812596384. Its totient is φ = 8895309840.

The previous prime is 13351206019. The next prime is 13351206023. The reversal of 13351206021 is 12060215331.

It is an interprime number because it is at equal distance from previous prime (13351206019) and next prime (13351206023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13351206021 - 2¹ = 13351206019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13351205982 and 13351206000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13351206023) 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, 1367871 + ... + 1377596.

It is an arithmetic number, because the mean of its divisors is an integer number (2226574548).

Almost surely, 2^13351206021 is an apocalyptic number.

It is an amenable number.

13351206021 is a deficient number, since it is larger than the sum of its proper divisors (4461390363).

13351206021 is a wasteful number, since it uses less digits than its factorization.

13351206021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747091.

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 13351206021 in words is "thirteen billion, three hundred fifty-one million, two hundred six thousand, twenty-one".