13027421 has 8 divisors (see below), whose sum is σ = 14256864. Its totient is φ = 11805520.

The previous prime is 13027397. The next prime is 13027429. The reversal of 13027421 is 12472031.

13027421 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 13027421 - 2²² = 8833117 is a prime.

It is a super-2 number, since 2×13027421² = 339427395822482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13027393 and 13027402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13027429) 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, 2111 + ... + 5523.

It is an arithmetic number, because the mean of its divisors is an integer number (1782108).

Almost surely, 2^13027421 is an apocalyptic number.

13027421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13027421 is a deficient number, since it is larger than the sum of its proper divisors (1229443).

13027421 is a wasteful number, since it uses less digits than its factorization.

13027421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13027421 is about 3609.3518808783. The cubic root of 13027421 is about 235.2986756139.

Adding to 13027421 its reverse (12472031), we get a palindrome (25499452).

The spelling of 13027421 in words is "thirteen million, twenty-seven thousand, four hundred twenty-one".