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12377949 = 319217157
BaseRepresentation
bin101111001101…
…111101011101
3212021212100120
4233031331131
511132043244
61121145153
7210132213
oct57157535
925255316
1012377949
116a94811
12418b1b9
13274503c
141902cb3
151147819
hexbcdf5d

12377949 has 8 divisors (see below), whose sum is σ = 17372640. Its totient is φ = 7817616.

The previous prime is 12377947. The next prime is 12377969. The reversal of 12377949 is 94977321.

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

It is not a de Polignac number, because 12377949 - 21 = 12377947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12377949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12377947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108522 + ... + 108635.

It is an arithmetic number, because the mean of its divisors is an integer number (2171580).

Almost surely, 212377949 is an apocalyptic number.

12377949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12377949 is a deficient number, since it is larger than the sum of its proper divisors (4994691).

12377949 is a wasteful number, since it uses less digits than its factorization.

12377949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217179.

The product of its digits is 95256, while the sum is 42.

The square root of 12377949 is about 3518.2309475076. The cubic root of 12377949 is about 231.3216224217.

The spelling of 12377949 in words is "twelve million, three hundred seventy-seven thousand, nine hundred forty-nine".

Divisors: 1 3 19 57 217157 651471 4125983 12377949