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13369213 = 111393491
BaseRepresentation
bin110010111111…
…111101111101
3221011020010001
4302333331331
511410303323
61154314301
7221431204
oct62777575
927136101
1013369213
117601540
124588991
132a012a0
141ac023b
1512913ad
hexcbff7d

13369213 has 8 divisors (see below), whose sum is σ = 15706656. Its totient is φ = 11218800.

The previous prime is 13369211. The next prime is 13369231. The reversal of 13369213 is 31296331.

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 13369213 - 21 = 13369211 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 (13369211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46603 + ... + 46888.

It is an arithmetic number, because the mean of its divisors is an integer number (1963332).

Almost surely, 213369213 is an apocalyptic number.

13369213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13369213 is a deficient number, since it is larger than the sum of its proper divisors (2337443).

13369213 is a wasteful number, since it uses less digits than its factorization.

13369213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93515.

The product of its digits is 2916, while the sum is 28.

The square root of 13369213 is about 3656.3934416307. The cubic root of 13369213 is about 237.3387300373.

The spelling of 13369213 in words is "thirteen million, three hundred sixty-nine thousand, two hundred thirteen".

Divisors: 1 11 13 143 93491 1028401 1215383 13369213