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12944419 = 43461653
BaseRepresentation
bin110001011000…
…010000100011
3220100122101221
4301120100203
511303210134
61141235511
7215011555
oct61302043
926318357
1012944419
117341374
124402b97
1328b2b27
141a0d4d5
15120a5b4
hexc58423

12944419 has 8 divisors (see below), whose sum is σ = 13294512. Its totient is φ = 12596640.

The previous prime is 12944389. The next prime is 12944443. The reversal of 12944419 is 91444921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12944419 - 27 = 12944291 is a prime.

It is a super-2 number, since 2×129444192 = 335115966495122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12944119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19497 + ... + 20149.

It is an arithmetic number, because the mean of its divisors is an integer number (1661814).

Almost surely, 212944419 is an apocalyptic number.

12944419 is a deficient number, since it is larger than the sum of its proper divisors (350093).

12944419 is an equidigital number, since it uses as much as digits as its factorization.

12944419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 10368, while the sum is 34.

The square root of 12944419 is about 3597.8353214120. The cubic root of 12944419 is about 234.7978886961.

The spelling of 12944419 in words is "twelve million, nine hundred forty-four thousand, four hundred nineteen".

Divisors: 1 43 461 653 19823 28079 301033 12944419