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12985099 = 97263509
BaseRepresentation
bin110001100010…
…001100001011
3220102201012121
4301202030023
511311010344
61142152111
7215241301
oct61421413
926381177
1012985099
117369996
124422637
1328c84ba
141a20271
151217684
hexc6230b

12985099 has 8 divisors (see below), whose sum is σ = 13194720. Its totient is φ = 12777216.

The previous prime is 12985079. The next prime is 12985103. The reversal of 12985099 is 99058921.

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 12985099 - 27 = 12984971 is a prime.

It is a super-2 number, since 2×129850992 = 337225592079602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12985079) 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, 25257 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (1649340).

Almost surely, 212985099 is an apocalyptic number.

12985099 is a deficient number, since it is larger than the sum of its proper divisors (209621).

12985099 is an equidigital number, since it uses as much as digits as its factorization.

12985099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 12985099 is about 3603.4842860765. The cubic root of 12985099 is about 235.0435953525.

The spelling of 12985099 in words is "twelve million, nine hundred eighty-five thousand, ninety-nine".

Divisors: 1 97 263 509 25511 49373 133867 12985099