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12414421 = 71174851
BaseRepresentation
bin101111010110…
…110111010101
3212100201101101
4233112313111
511134230141
61122030101
7210343435
oct57266725
925321341
1012414421
11700a158
1241a8331
132758816
1419122c5
151153531
hexbd6dd5

12414421 has 4 divisors (see below), whose sum is σ = 12589344. Its totient is φ = 12239500.

The previous prime is 12414383. The next prime is 12414433. The reversal of 12414421 is 12441421.

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 cyclic number.

It is not a de Polignac number, because 12414421 - 29 = 12413909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12414121) 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, 87355 + ... + 87496.

It is an arithmetic number, because the mean of its divisors is an integer number (3147336).

Almost surely, 212414421 is an apocalyptic number.

It is an amenable number.

12414421 is a deficient number, since it is larger than the sum of its proper divisors (174923).

12414421 is an equidigital number, since it uses as much as digits as its factorization.

12414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174922.

The product of its digits is 256, while the sum is 19.

The square root of 12414421 is about 3523.4104217363. The cubic root of 12414421 is about 231.5485983490.

Adding to 12414421 its reverse (12441421), we get a palindrome (24855842).

Subtracting 12414421 from its reverse (12441421), we obtain a cube (27000 = 303).

The spelling of 12414421 in words is "twelve million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 71 174851 12414421