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12677730 = 2351332507
BaseRepresentation
bin110000010111…
…001001100010
3212212002120120
4300113021202
511221141410
61131421110
7212521212
oct60271142
925762516
1012677730
117179a6a
1242b4796
13281b620
141980242
1511a6570
hexc17262

12677730 has 32 divisors (see below), whose sum is σ = 32768064. Its totient is φ = 3120576.

The previous prime is 12677719. The next prime is 12677741. The reversal of 12677730 is 3777621.

It is an interprime number because it is at equal distance from previous prime (12677719) and next prime (12677741).

It is a junction number, because it is equal to n+sod(n) for n = 12677691 and 12677700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15864 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (1024002).

Almost surely, 212677730 is an apocalyptic number.

12677730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12677730 is an abundant number, since it is smaller than the sum of its proper divisors (20090334).

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

12677730 is a wasteful number, since it uses less digits than its factorization.

12677730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 12677730 is about 3560.5800089311. The cubic root of 12677730 is about 233.1742021563.

The spelling of 12677730 in words is "twelve million, six hundred seventy-seven thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 32507 65014 97521 162535 195042 325070 422591 487605 845182 975210 1267773 2112955 2535546 4225910 6338865 12677730