13620893 has 24 divisors (see below), whose sum is σ = 17076096. Its totient is φ = 10732800.

The previous prime is 13620889. The next prime is 13620931. The reversal of 13620893 is 39802631.

13620893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13620893 - 2² = 13620889 is a prime.

It is a super-2 number, since 2×13620893² = 371057452234898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31388 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (711504).

Almost surely, 2^13620893 is an apocalyptic number.

13620893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13620893 is a deficient number, since it is larger than the sum of its proper divisors (3455203).

13620893 is a wasteful number, since it uses less digits than its factorization.

13620893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13620893 is about 3690.6494008508. The cubic root of 13620893 is about 238.8188084158.

The spelling of 13620893 in words is "thirteen million, six hundred twenty thousand, eight hundred ninety-three".