13214354021 has 8 divisors (see below), whose sum is σ = 14458439424. Its totient is φ = 11977398720.

The previous prime is 13214353987. The next prime is 13214354029. The reversal of 13214354021 is 12045341231.

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 13214354021 - 2²² = 13210159717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214354029) 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, 1778645 + ... + 1786058.

It is an arithmetic number, because the mean of its divisors is an integer number (1807304928).

Almost surely, 2^13214354021 is an apocalyptic number.

13214354021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13214354021 is a deficient number, since it is larger than the sum of its proper divisors (1244085403).

13214354021 is a wasteful number, since it uses less digits than its factorization.

13214354021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565051.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13214354021 its reverse (12045341231), we get a palindrome (25259695252).

The spelling of 13214354021 in words is "thirteen billion, two hundred fourteen million, three hundred fifty-four thousand, twenty-one".