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12274977 = 3111323171
BaseRepresentation
bin101110110100…
…110100100001
3212002122002210
4232310310201
511120244402
61115032333
7206223051
oct56646441
925078083
1012274977
116a24410
12413b6a9
13270a200
1418b7561
15112706c
hexbb4d21

12274977 has 48 divisors (see below), whose sum is σ = 20238336. Its totient is φ = 6552000.

The previous prime is 12274967. The next prime is 12274979. The reversal of 12274977 is 77947221.

12274977 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12274977 - 24 = 12274961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12274979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172852 + ... + 172922.

It is an arithmetic number, because the mean of its divisors is an integer number (421632).

Almost surely, 212274977 is an apocalyptic number.

It is an amenable number.

12274977 is a deficient number, since it is larger than the sum of its proper divisors (7963359).

12274977 is a wasteful number, since it uses less digits than its factorization.

12274977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 129 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 12274977 is about 3503.5663259028. The cubic root of 12274977 is about 230.6783815298.

The spelling of 12274977 in words is "twelve million, two hundred seventy-four thousand, nine hundred seventy-seven".

Divisors: 1 3 11 13 31 33 39 71 93 143 169 213 341 403 429 507 781 923 1023 1209 1859 2201 2343 2769 4433 5239 5577 6603 10153 11999 13299 15717 24211 28613 30459 35997 57629 72633 85839 131989 172887 314743 371969 395967 944229 1115907 4091659 12274977