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12201379 = 37437669
BaseRepresentation
bin101110100010…
…110110100011
3211221220010221
4232202312203
511110421004
61113303511
7205465351
oct56426643
924856127
1012201379
116984093
124104b97
1326b2868
1418987d1
151110354
hexba2da3

12201379 has 8 divisors (see below), whose sum is σ = 12824240. Its totient is φ = 11594016.

The previous prime is 12201367. The next prime is 12201407. The reversal of 12201379 is 97310221.

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 12201379 - 25 = 12201347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (1603030).

Almost surely, 212201379 is an apocalyptic number.

12201379 is a deficient number, since it is larger than the sum of its proper divisors (622861).

12201379 is an equidigital number, since it uses as much as digits as its factorization.

12201379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7749.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12201379 is about 3493.0472370124. The cubic root of 12201379 is about 230.2164251441.

The spelling of 12201379 in words is "twelve million, two hundred one thousand, three hundred seventy-nine".

Divisors: 1 37 43 1591 7669 283753 329767 12201379