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12415001 = 13194771
BaseRepresentation
bin101111010111…
…000000011001
3212100202011212
4233113000121
511134240001
61122032505
7210345224
oct57270031
925322155
1012415001
11700a635
1241a8735
132758b71
1419125bb
1511537bb
hexbd7019

12415001 has 4 divisors (see below), whose sum is σ = 12509904. Its totient is φ = 12320100.

The previous prime is 12414967. The next prime is 12415027. The reversal of 12415001 is 10051421.

12415001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12415001 - 26 = 12414937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12415031) 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, 47255 + ... + 47516.

It is an arithmetic number, because the mean of its divisors is an integer number (3127476).

Almost surely, 212415001 is an apocalyptic number.

It is an amenable number.

12415001 is a deficient number, since it is larger than the sum of its proper divisors (94903).

12415001 is an equidigital number, since it uses as much as digits as its factorization.

12415001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94902.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12415001 is about 3523.4927273942. The cubic root of 12415001 is about 231.5522042655.

Adding to 12415001 its reverse (10051421), we get a palindrome (22466422).

The spelling of 12415001 in words is "twelve million, four hundred fifteen thousand, one".

Divisors: 1 131 94771 12415001