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12677631 = 317331751
BaseRepresentation
bin110000010111…
…000111111111
3212212002102220
4300113013333
511221141011
61131420423
7212521011
oct60270777
925762386
1012677631
11717998a
1242b4713
13281b575
1419801b1
1511a6506
hexc171ff

12677631 has 16 divisors (see below), whose sum is σ = 17975808. Its totient is φ = 7920000.

The previous prime is 12677627. The next prime is 12677633. The reversal of 12677631 is 13677621.

It is not a de Polignac number, because 12677631 - 22 = 12677627 is a prime.

It is a super-2 number, since 2×126776312 = 321444655544322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12677592 and 12677601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16506 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (1123488).

Almost surely, 212677631 is an apocalyptic number.

12677631 is a deficient number, since it is larger than the sum of its proper divisors (5298177).

12677631 is a wasteful number, since it uses less digits than its factorization.

12677631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its digits is 10584, while the sum is 33.

The square root of 12677631 is about 3560.5661066746. The cubic root of 12677631 is about 233.1735952047.

The spelling of 12677631 in words is "twelve million, six hundred seventy-seven thousand, six hundred thirty-one".

Divisors: 1 3 17 51 331 751 993 2253 5627 12767 16881 38301 248581 745743 4225877 12677631