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12190841 = 136591423
BaseRepresentation
bin101110100000…
…010001111001
3211221100200122
4232200101321
511110101331
61113143025
7205422545
oct56402171
924840618
1012190841
116977183
1240baa75
1326aab20
141894a25
15110c17b
hexba0479

12190841 has 8 divisors (see below), whose sum is σ = 13157760. Its totient is φ = 11228112.

The previous prime is 12190777. The next prime is 12190847. The reversal of 12190841 is 14809121.

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 12190841 - 26 = 12190777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12190841.

It is not an unprimeable number, because it can be changed into a prime (12190847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7856 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1644720).

Almost surely, 212190841 is an apocalyptic number.

It is an amenable number.

12190841 is a deficient number, since it is larger than the sum of its proper divisors (966919).

12190841 is a wasteful number, since it uses less digits than its factorization.

12190841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12190841 is about 3491.5384861118. The cubic root of 12190841 is about 230.1501288276.

Adding to 12190841 its reverse (14809121), we get a palindrome (26999962).

It can be divided in two parts, 12190 and 841, that added together give a palindrome (13031).

The spelling of 12190841 in words is "twelve million, one hundred ninety thousand, eight hundred forty-one".

Divisors: 1 13 659 1423 8567 18499 937757 12190841