13232021 has 8 divisors (see below), whose sum is σ = 14505888. Its totient is φ = 11970000.

The previous prime is 13232017. The next prime is 13232029. The reversal of 13232021 is 12023231.

It is a happy number.

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 13232021 - 2² = 13232017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231987 and 13232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232029) 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, 530 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (1813236).

Almost surely, 2^13232021 is an apocalyptic number.

13232021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13232021 is a deficient number, since it is larger than the sum of its proper divisors (1273867).

13232021 is a wasteful number, since it uses less digits than its factorization.

13232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13232021 is about 3637.5845007367. The cubic root of 13232021 is about 236.5240973856.

Adding to 13232021 its reverse (12023231), we get a palindrome (25255252).

The spelling of 13232021 in words is "thirteen million, two hundred thirty-two thousand, twenty-one".