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12270724 = 2214872063
BaseRepresentation
bin101110110011…
…110010000100
3212002102021021
4232303302010
511120130344
61115000524
7206204464
oct56636204
925072237
1012270724
116a211a4
124139144
1327082ab
1418b5ba4
151125b84
hexbb3c84

12270724 has 12 divisors (see below), whose sum is σ = 21498624. Its totient is φ = 6128264.

The previous prime is 12270703. The next prime is 12270733. The reversal of 12270724 is 42707221.

12270724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×122707243 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917 + ... + 6979.

It is an arithmetic number, because the mean of its divisors is an integer number (1791552).

Almost surely, 212270724 is an apocalyptic number.

It is an amenable number.

12270724 is a deficient number, since it is larger than the sum of its proper divisors (9227900).

12270724 is a wasteful number, since it uses less digits than its factorization.

12270724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12270724 is about 3502.9593203462. The cubic root of 12270724 is about 230.6517368502.

Adding to 12270724 its reverse (42707221), we get a palindrome (54977945).

The spelling of 12270724 in words is "twelve million, two hundred seventy thousand, seven hundred twenty-four".

Divisors: 1 2 4 1487 2063 2974 4126 5948 8252 3067681 6135362 12270724