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13705413 = 34568471
BaseRepresentation
bin110100010010…
…000011000101
3221210022021220
4310102003011
512002033123
61205430553
7224331321
oct64220305
927708256
1013705413
117811097
12470b459
132abb317
141b6a981
15130ace3
hexd120c5

13705413 has 4 divisors (see below), whose sum is σ = 18273888. Its totient is φ = 9136940.

The previous prime is 13705409. The next prime is 13705423. The reversal of 13705413 is 31450731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13705413 - 22 = 13705409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13705423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284233 + ... + 2284238.

It is an arithmetic number, because the mean of its divisors is an integer number (4568472).

Almost surely, 213705413 is an apocalyptic number.

It is an amenable number.

13705413 is a deficient number, since it is larger than the sum of its proper divisors (4568475).

13705413 is an equidigital number, since it uses as much as digits as its factorization.

13705413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568474.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13705413 is about 3702.0822519226. The cubic root of 13705413 is about 239.3117608876.

The spelling of 13705413 in words is "thirteen million, seven hundred five thousand, four hundred thirteen".

Divisors: 1 3 4568471 13705413