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12103401 = 34034467
BaseRepresentation
bin101110001010…
…111011101001
3211202220202010
4232022323221
511044302101
61111230133
7204606612
oct56127351
924686663
1012103401
116917512
124078349
13267a09b
141870c09
1510e12d6
hexb8aee9

12103401 has 4 divisors (see below), whose sum is σ = 16137872. Its totient is φ = 8068932.

The previous prime is 12103387. The next prime is 12103409. The reversal of 12103401 is 10430121.

It is a happy number.

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.

It is a de Polignac number, because none of the positive numbers 2k-12103401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12103409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017231 + ... + 2017236.

It is an arithmetic number, because the mean of its divisors is an integer number (4034468).

Almost surely, 212103401 is an apocalyptic number.

It is an amenable number.

12103401 is a deficient number, since it is larger than the sum of its proper divisors (4034471).

12103401 is an equidigital number, since it uses as much as digits as its factorization.

12103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034470.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12103401 is about 3478.9942512169. The cubic root of 12103401 is about 229.5985498599.

Adding to 12103401 its reverse (10430121), we get a palindrome (22533522).

The spelling of 12103401 in words is "twelve million, one hundred three thousand, four hundred one".

Divisors: 1 3 4034467 12103401