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12470379 = 34156793
BaseRepresentation
bin101111100100…
…100001101011
3212110120010220
4233210201223
511143023004
61123141123
7210665535
oct57444153
925416126
1012470379
1170481a9
1242147a3
13277812c
141928855
151164dd9
hexbe486b

12470379 has 4 divisors (see below), whose sum is σ = 16627176. Its totient is φ = 8313584.

The previous prime is 12470351. The next prime is 12470389. The reversal of 12470379 is 97307421.

12470379 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 97307421 = 332435807.

It is a cyclic number.

It is not a de Polignac number, because 12470379 - 29 = 12469867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12470329) 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 3 ways as a sum of consecutive naturals, for example, 2078394 + ... + 2078399.

It is an arithmetic number, because the mean of its divisors is an integer number (4156794).

Almost surely, 212470379 is an apocalyptic number.

12470379 is a deficient number, since it is larger than the sum of its proper divisors (4156797).

12470379 is an equidigital number, since it uses as much as digits as its factorization.

12470379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156796.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 12470379 is about 3531.3423793226. The cubic root of 12470379 is about 231.8959786843.

The spelling of 12470379 in words is "twelve million, four hundred seventy thousand, three hundred seventy-nine".

Divisors: 1 3 4156793 12470379