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12572266 = 27898019
BaseRepresentation
bin101111111101…
…011001101010
3212122201220111
4233331121222
511204303031
61125244534
7211601560
oct57753152
925581814
1012572266
117107803
12426374a
1327b2615
141953a30
1511851b1
hexbfd66a

12572266 has 8 divisors (see below), whose sum is σ = 21552480. Its totient is φ = 5388108.

The previous prime is 12572257. The next prime is 12572269. The reversal of 12572266 is 66227521.

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

It is not an unprimeable number, because it can be changed into a prime (12572269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448996 + ... + 449023.

It is an arithmetic number, because the mean of its divisors is an integer number (2694060).

Almost surely, 212572266 is an apocalyptic number.

12572266 is a deficient number, since it is larger than the sum of its proper divisors (8980214).

12572266 is an equidigital number, since it uses as much as digits as its factorization.

12572266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898028.

The product of its digits is 10080, while the sum is 31.

The square root of 12572266 is about 3545.7391331005. The cubic root of 12572266 is about 232.5258213123.

Adding to 12572266 its reverse (66227521), we get a palindrome (78799787).

The spelling of 12572266 in words is "twelve million, five hundred seventy-two thousand, two hundred sixty-six".

Divisors: 1 2 7 14 898019 1796038 6286133 12572266