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13672423 = 128910607
BaseRepresentation
bin110100001001…
…111111100111
3221201122001001
4310021333213
512000004143
61205014131
7224133202
oct64117747
927648031
1013672423
117799326
1246b4347
132aa92bb
141b5c939
15130114d
hexd09fe7

13672423 has 4 divisors (see below), whose sum is σ = 13684320. Its totient is φ = 13660528.

The previous prime is 13672411. The next prime is 13672429. The reversal of 13672423 is 32427631.

13672423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13672423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13672391 and 13672400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672429) 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, 4015 + ... + 6592.

It is an arithmetic number, because the mean of its divisors is an integer number (3421080).

Almost surely, 213672423 is an apocalyptic number.

13672423 is a deficient number, since it is larger than the sum of its proper divisors (11897).

13672423 is a wasteful number, since it uses less digits than its factorization.

13672423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896.

The product of its digits is 6048, while the sum is 28.

The square root of 13672423 is about 3697.6239668198. The cubic root of 13672423 is about 239.1195925811.

The spelling of 13672423 in words is "thirteen million, six hundred seventy-two thousand, four hundred twenty-three".

Divisors: 1 1289 10607 13672423