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12609830 = 251279929
BaseRepresentation
bin110000000110…
…100100100110
3212201122102202
4300012210212
511212003310
61130134502
7212116232
oct60064446
925648382
1012609830
117132a52
124281432
1327c674c
1419635c2
1511913a5
hexc06926

12609830 has 16 divisors (see below), whose sum is σ = 22878720. Its totient is φ = 5003712.

The previous prime is 12609829. The next prime is 12609833. The reversal of 12609830 is 3890621.

It is a junction number, because it is equal to n+sod(n) for n = 12609793 and 12609802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (1429920).

Almost surely, 212609830 is an apocalyptic number.

12609830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12609830 is a deficient number, since it is larger than the sum of its proper divisors (10268890).

12609830 is a wasteful number, since it uses less digits than its factorization.

12609830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12609830 is about 3551.0322442918. The cubic root of 12609830 is about 232.7571748632.

The spelling of 12609830 in words is "twelve million, six hundred nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 127 254 635 1270 9929 19858 49645 99290 1260983 2521966 6304915 12609830