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12570041 = 118771303
BaseRepresentation
bin101111111100…
…110110111001
3212122121212002
4233330312321
511204220131
61125230345
7211562231
oct57746671
925577762
1012570041
117106070
1242623b5
1327b15c3
141952cc1
1511846cb
hexbfcdb9

12570041 has 8 divisors (see below), whose sum is σ = 13738944. Its totient is φ = 11405520.

The previous prime is 12570037. The next prime is 12570043. The reversal of 12570041 is 14007521.

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 12570041 - 22 = 12570037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12569995 and 12570022.

It is not an unprimeable number, because it can be changed into a prime (12570043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8996 + ... + 10298.

It is an arithmetic number, because the mean of its divisors is an integer number (1717368).

Almost surely, 212570041 is an apocalyptic number.

12570041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12570041 is a deficient number, since it is larger than the sum of its proper divisors (1168903).

12570041 is a wasteful number, since it uses less digits than its factorization.

12570041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12570041 is about 3545.4253623508. The cubic root of 12570041 is about 232.5121032740.

Adding to 12570041 its reverse (14007521), we get a palindrome (26577562).

The spelling of 12570041 in words is "twelve million, five hundred seventy thousand, forty-one".

Divisors: 1 11 877 1303 9647 14333 1142731 12570041