Search a number
-
+
13084925 = 52774771
BaseRepresentation
bin110001111010…
…100011111101
3220121210010212
4301322203331
511322204200
61144242205
7216135320
oct61724375
926553125
1013084925
117427997
124470365
132931a79
141a487b7
151237035
hexc7a8fd

13084925 has 12 divisors (see below), whose sum is σ = 18543456. Its totient is φ = 8972400.

The previous prime is 13084919. The next prime is 13084931. The reversal of 13084925 is 52948031.

It is an interprime number because it is at equal distance from previous prime (13084919) and next prime (13084931).

It is not a de Polignac number, because 13084925 - 24 = 13084909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13084891 and 13084900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37211 + ... + 37560.

It is an arithmetic number, because the mean of its divisors is an integer number (1545288).

Almost surely, 213084925 is an apocalyptic number.

It is an amenable number.

13084925 is a deficient number, since it is larger than the sum of its proper divisors (5458531).

13084925 is an equidigital number, since it uses as much as digits as its factorization.

13084925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74788 (or 74783 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13084925 is about 3617.3090827299. The cubic root of 13084925 is about 235.6443760495.

The spelling of 13084925 in words is "thirteen million, eighty-four thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 74771 373855 523397 1869275 2616985 13084925