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12244977 = 3210491297
BaseRepresentation
bin101110101101…
…011111110001
3212001002221200
4232231133301
511113314402
61114241413
7206036433
oct56553761
925032850
1012244977
116a03918
124126269
1326c9664
1418aa653
15111d21c
hexbad7f1

12244977 has 12 divisors (see below), whose sum is σ = 17717700. Its totient is φ = 8149248.

The previous prime is 12244909. The next prime is 12244997. The reversal of 12244977 is 77944221.

It can be written as a sum of positive squares in 2 ways, for example, as 11840481 + 404496 = 3441^2 + 636^2 .

It is not a de Polignac number, because 12244977 - 219 = 11720689 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (28224) is a multiple of the sum of its prime factors (2352).

It is not an unprimeable number, because it can be changed into a prime (12244997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8793 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (1476475).

Almost surely, 212244977 is an apocalyptic number.

It is an amenable number.

12244977 is a deficient number, since it is larger than the sum of its proper divisors (5472723).

12244977 is a wasteful number, since it uses less digits than its factorization.

12244977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2349 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12244977 is about 3499.2823549980. The cubic root of 12244977 is about 230.4903025111.

The spelling of 12244977 in words is "twelve million, two hundred forty-four thousand, nine hundred seventy-seven".

Divisors: 1 3 9 1049 1297 3147 3891 9441 11673 1360553 4081659 12244977