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12419397 = 322276079
BaseRepresentation
bin101111011000…
…000101000101
3212100222012200
4233120011011
511134410042
61122105113
7210364104
oct57300505
925328180
1012419397
117012971
1241ab199
13275ab73
14191403b
151154c4c
hexbd8145

12419397 has 12 divisors (see below), whose sum is σ = 18021120. Its totient is φ = 8241768.

The previous prime is 12419387. The next prime is 12419399. The reversal of 12419397 is 79391421.

It is a de Polignac number, because none of the positive numbers 2k-12419397 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12419399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (1501760).

Almost surely, 212419397 is an apocalyptic number.

It is an amenable number.

12419397 is a deficient number, since it is larger than the sum of its proper divisors (5601723).

12419397 is a wasteful number, since it uses less digits than its factorization.

12419397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6309 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 12419397 is about 3524.1164850215. The cubic root of 12419397 is about 231.5795309749.

The spelling of 12419397 in words is "twelve million, four hundred nineteen thousand, three hundred ninety-seven".

Divisors: 1 3 9 227 681 2043 6079 18237 54711 1379933 4139799 12419397