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12506796 = 2232347411
BaseRepresentation
bin101111101101…
…011010101100
3212112102002200
4233231122230
511200204141
61124021500
7211206651
oct57553254
925472080
1012506796
1170725a5
124231890
13278b893
141937c28
151170ab6
hexbed6ac

12506796 has 18 divisors (see below), whose sum is σ = 31614492. Its totient is φ = 4168920.

The previous prime is 12506783. The next prime is 12506821. The reversal of 12506796 is 69760521.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 347411 = 12506796 / (1 + 2 + 5 + 0 + 6 + 7 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 12506796.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173670 + ... + 173741.

Almost surely, 212506796 is an apocalyptic number.

It is an amenable number.

12506796 is an abundant number, since it is smaller than the sum of its proper divisors (19107696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12506796 is a wasteful number, since it uses less digits than its factorization.

12506796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347421 (or 347416 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 12506796 is about 3536.4948748726. The cubic root of 12506796 is about 232.1214930443.

The spelling of 12506796 in words is "twelve million, five hundred six thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 347411 694822 1042233 1389644 2084466 3126699 4168932 6253398 12506796