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13472623 = 24155903
BaseRepresentation
bin110011011001…
…001101101111
3221100110222001
4303121031233
511422110443
61200433131
7222341533
oct63311557
927313861
1013472623
1176721aa
1246187a7
132a39388
141b09bc3
1512b1d4d
hexcd936f

13472623 has 4 divisors (see below), whose sum is σ = 13528768. Its totient is φ = 13416480.

The previous prime is 13472611. The next prime is 13472639. The reversal of 13472623 is 32627431.

13472623 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, and also an emirpimes, since its reverse is a distinct semiprime: 32627431 = 41795791.

It is a cyclic number.

It is not a de Polignac number, because 13472623 - 213 = 13464431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13472591 and 13472600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13472603) 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, 27711 + ... + 28192.

It is an arithmetic number, because the mean of its divisors is an integer number (3382192).

Almost surely, 213472623 is an apocalyptic number.

13472623 is a deficient number, since it is larger than the sum of its proper divisors (56145).

13472623 is an equidigital number, since it uses as much as digits as its factorization.

13472623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56144.

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

The square root of 13472623 is about 3670.5071856625. The cubic root of 13472623 is about 237.9490922824.

The spelling of 13472623 in words is "thirteen million, four hundred seventy-two thousand, six hundred twenty-three".

Divisors: 1 241 55903 13472623