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12342593 = 103119831
BaseRepresentation
bin101111000101…
…010101000001
3212020001212002
4233011111001
511124430333
61120313345
7206624144
oct57052501
925201762
1012342593
116a7019a
124172855
132731c13
1418d405b
15113c0e8
hexbc5541

12342593 has 4 divisors (see below), whose sum is σ = 12462528. Its totient is φ = 12222660.

The previous prime is 12342553. The next prime is 12342601. The reversal of 12342593 is 39524321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39524321 = 47840943.

It is a cyclic number.

It is not a de Polignac number, because 12342593 - 210 = 12341569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342553) 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 3 ways as a sum of consecutive naturals, for example, 59813 + ... + 60018.

It is an arithmetic number, because the mean of its divisors is an integer number (3115632).

Almost surely, 212342593 is an apocalyptic number.

It is an amenable number.

12342593 is a deficient number, since it is larger than the sum of its proper divisors (119935).

12342593 is a wasteful number, since it uses less digits than its factorization.

12342593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119934.

The product of its digits is 6480, while the sum is 29.

The square root of 12342593 is about 3513.2026699295. The cubic root of 12342593 is about 231.1011656857.

The spelling of 12342593 in words is "twelve million, three hundred forty-two thousand, five hundred ninety-three".

Divisors: 1 103 119831 12342593