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13123076 = 2216991931
BaseRepresentation
bin110010000011…
…111000000100
3220200201110212
4302003320010
511324414301
61145134552
7216354461
oct62037004
926621425
1013123076
11745361a
12448a458
132946245
141a58668
1512434bb
hexc83e04

13123076 has 12 divisors (see below), whose sum is σ = 22990800. Its totient is φ = 6554280.

The previous prime is 13123063. The next prime is 13123079. The reversal of 13123076 is 67032131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13123079) 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, 5831 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (1915900).

Almost surely, 213123076 is an apocalyptic number.

It is an amenable number.

13123076 is a deficient number, since it is larger than the sum of its proper divisors (9867724).

13123076 is a wasteful number, since it uses less digits than its factorization.

13123076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13123076 is about 3622.5786395881. The cubic root of 13123076 is about 235.8731723025.

The spelling of 13123076 in words is "thirteen million, one hundred twenty-three thousand, seventy-six".

Divisors: 1 2 4 1699 1931 3398 3862 6796 7724 3280769 6561538 13123076