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12677420 = 2257831091
BaseRepresentation
bin110000010111…
…000100101100
3212212002011002
4300113010230
511221134140
61131415432
7212520260
oct60270454
925762132
1012677420
117179808
1242b4578
13281b442
1419800a0
1511a6415
hexc1712c

12677420 has 48 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 4290240.

The previous prime is 12677417. The next prime is 12677429. The reversal of 12677420 is 2477621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677429) 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, 11075 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 212677420 is an apocalyptic number.

12677420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12677420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15410304).

12677420 is an abundant number, since it is smaller than the sum of its proper divisors (18143188).

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

12677420 is a wasteful number, since it uses less digits than its factorization.

12677420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12677420 is about 3560.5364764316. The cubic root of 12677420 is about 233.1723015902.

The spelling of 12677420 in words is "twelve million, six hundred seventy-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1091 1162 1660 2182 2324 2905 4364 5455 5810 7637 10910 11620 15274 21820 30548 38185 76370 90553 152740 181106 362212 452765 633871 905530 1267742 1811060 2535484 3169355 6338710 12677420