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12248379 = 32111331307
BaseRepresentation
bin101110101110…
…010100111011
3212001021121200
4232232110323
511113422004
61114305243
7206052363
oct56562473
925037550
1012248379
116a06430
124128223
1326cb080
1418ab9a3
15111e239
hexbae53b

12248379 has 48 divisors (see below), whose sum is σ = 21525504. Its totient is φ = 6609600.

The previous prime is 12248311. The next prime is 12248389. The reversal of 12248379 is 97384221.

12248379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12248379 - 28 = 12248123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12248389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39744 + ... + 40050.

It is an arithmetic number, because the mean of its divisors is an integer number (448448).

Almost surely, 212248379 is an apocalyptic number.

12248379 is a deficient number, since it is larger than the sum of its proper divisors (9277125).

12248379 is a wasteful number, since it uses less digits than its factorization.

12248379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 12248379 is about 3499.7684209102. The cubic root of 12248379 is about 230.5116461037.

The spelling of 12248379 in words is "twelve million, two hundred forty-eight thousand, three hundred seventy-nine".

Divisors: 1 3 9 11 13 31 33 39 93 99 117 143 279 307 341 403 429 921 1023 1209 1287 2763 3069 3377 3627 3991 4433 9517 10131 11973 13299 28551 30393 35919 39897 43901 85653 104687 123721 131703 314061 371163 395109 942183 1113489 1360931 4082793 12248379