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12572197 = 111767231
BaseRepresentation
bin101111111101…
…011000100101
3212122201210221
4233331120211
511204302242
61125244341
7211601431
oct57753045
925581727
1012572197
117107750
1242636b1
1327b2591
1419539c1
151185167
hexbfd625

12572197 has 8 divisors (see below), whose sum is σ = 14522112. Its totient is φ = 10756800.

The previous prime is 12572159. The next prime is 12572207. The reversal of 12572197 is 79127521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12572197 - 27 = 12572069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12572137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33429 + ... + 33802.

It is an arithmetic number, because the mean of its divisors is an integer number (1815264).

Almost surely, 212572197 is an apocalyptic number.

12572197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12572197 is a deficient number, since it is larger than the sum of its proper divisors (1949915).

12572197 is a wasteful number, since it uses less digits than its factorization.

12572197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67259.

The product of its digits is 8820, while the sum is 34.

The square root of 12572197 is about 3545.7294030989. The cubic root of 12572197 is about 232.5253959233.

It can be divided in two parts, 12572 and 197, that added together give a square (12769 = 1132).

The spelling of 12572197 in words is "twelve million, five hundred seventy-two thousand, one hundred ninety-seven".

Divisors: 1 11 17 187 67231 739541 1142927 12572197