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13814213 = 712891531
BaseRepresentation
bin110100101100…
…100111000101
3221222211112112
4310230213011
512014023323
61212030405
7225263450
oct64544705
927884475
1013814213
117885906
124762405
132b289ba
141b98497
15132d178
hexd2c9c5

13814213 has 8 divisors (see below), whose sum is σ = 15810240. Its totient is φ = 11823840.

The previous prime is 13814173. The next prime is 13814221. The reversal of 13814213 is 31241831.

13814213 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 de Polignac number, because none of the positive numbers 2k-13814213 is a prime.

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 (13814233) 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, 8258 + ... + 9788.

It is an arithmetic number, because the mean of its divisors is an integer number (1976280).

Almost surely, 213814213 is an apocalyptic number.

It is an amenable number.

13814213 is a deficient number, since it is larger than the sum of its proper divisors (1996027).

13814213 is a wasteful number, since it uses less digits than its factorization.

13814213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 576, while the sum is 23.

The square root of 13814213 is about 3716.7476373841. The cubic root of 13814213 is about 239.9433488973.

The spelling of 13814213 in words is "thirteen million, eight hundred fourteen thousand, two hundred thirteen".

Divisors: 1 7 1289 1531 9023 10717 1973459 13814213