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13255213 = 37675347
BaseRepresentation
bin110010100100…
…001000101101
3220221102201211
4302210020231
511343131323
61152034421
7220444636
oct62441055
926842654
1013255213
117533924
124532a11
13299142a
141a9088d
15126c70d
hexca422d

13255213 has 8 divisors (see below), whose sum is σ = 13819232. Its totient is φ = 12702096.

The previous prime is 13255201. The next prime is 13255243. The reversal of 13255213 is 31255231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13255213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255243) 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, 195 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (1727404).

Almost surely, 213255213 is an apocalyptic number.

It is an amenable number.

13255213 is a deficient number, since it is larger than the sum of its proper divisors (564019).

13255213 is an equidigital number, since it uses as much as digits as its factorization.

13255213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451.

The product of its digits is 900, while the sum is 22.

The square root of 13255213 is about 3640.7709348433. The cubic root of 13255213 is about 236.6622034028.

The spelling of 13255213 in words is "thirteen million, two hundred fifty-five thousand, two hundred thirteen".

Divisors: 1 37 67 2479 5347 197839 358249 13255213