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13729607 = 19968993
BaseRepresentation
bin110100010111…
…111101000111
3221211112110222
4310113331013
512003321412
61210134555
7224462003
oct64277507
927745428
1013729607
117828291
12472145b
132ac9338
141b75703
151313072
hexd17f47

13729607 has 4 divisors (see below), whose sum is σ = 13798800. Its totient is φ = 13660416.

The previous prime is 13729567. The next prime is 13729633. The reversal of 13729607 is 70692731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13729607 - 26 = 13729543 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 (13729007) 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, 34298 + ... + 34695.

It is an arithmetic number, because the mean of its divisors is an integer number (3449700).

Almost surely, 213729607 is an apocalyptic number.

13729607 is a deficient number, since it is larger than the sum of its proper divisors (69193).

13729607 is an equidigital number, since it uses as much as digits as its factorization.

13729607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69192.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 13729607 is about 3705.3484316593. The cubic root of 13729607 is about 239.4524961608.

The spelling of 13729607 in words is "thirteen million, seven hundred twenty-nine thousand, six hundred seven".

Divisors: 1 199 68993 13729607