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12472723 = 199233269
BaseRepresentation
bin101111100101…
…000110010011
3212110200100201
4233211012103
511143111343
61123200031
7211005424
oct57450623
925420321
1012472723
117049a3a
124216017
132779213
14192964b
15116594d
hexbe5193

12472723 has 8 divisors (see below), whose sum is σ = 12636000. Its totient is φ = 12310848.

The previous prime is 12472703. The next prime is 12472753. The reversal of 12472723 is 32727421.

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 12472723 - 29 = 12472211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12472691 and 12472700.

It is not an unprimeable number, because it can be changed into a prime (12472703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46233 + ... + 46501.

It is an arithmetic number, because the mean of its divisors is an integer number (1579500).

Almost surely, 212472723 is an apocalyptic number.

12472723 is a deficient number, since it is larger than the sum of its proper divisors (163277).

12472723 is a wasteful number, since it uses less digits than its factorization.

12472723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its digits is 4704, while the sum is 28.

The square root of 12472723 is about 3531.6742488514. The cubic root of 12472723 is about 231.9105072488.

It can be divided in two parts, 124727 and 23, that added together give a triangular number (124750 = T499).

The spelling of 12472723 in words is "twelve million, four hundred seventy-two thousand, seven hundred twenty-three".

Divisors: 1 199 233 269 46367 53531 62677 12472723