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12569972 = 223142493
BaseRepresentation
bin101111111100…
…110101110100
3212122121202112
4233330311310
511204214342
61125230152
7211562102
oct57746564
925577675
1012569972
117106008
124262358
1327b156c
141952c72
151184682
hexbfcd74

12569972 has 6 divisors (see below), whose sum is σ = 21997458. Its totient is φ = 6284984.

The previous prime is 12569971. The next prime is 12570031. The reversal of 12569972 is 27996521.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 763876 = 3436^2 + 874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12569971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571243 + ... + 1571250.

It is an arithmetic number, because the mean of its divisors is an integer number (3666243).

Almost surely, 212569972 is an apocalyptic number.

It is an amenable number.

12569972 is a deficient number, since it is larger than the sum of its proper divisors (9427486).

12569972 is a wasteful number, since it uses less digits than its factorization.

12569972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142497 (or 3142495 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 12569972 is about 3545.4156314881. The cubic root of 12569972 is about 232.5116778348.

The spelling of 12569972 in words is "twelve million, five hundred sixty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 3142493 6284986 12569972