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12119912 = 2371729439
BaseRepresentation
bin101110001110…
…111101101000
3211210202101122
4232032331220
511100314122
61111434412
7205006010
oct56167550
924722348
1012119912
116928962
124085a08
13268475c
141876c40
1510e6142
hexb8ef68

12119912 has 64 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 4709376.

The previous prime is 12119903. The next prime is 12119923. The reversal of 12119912 is 21991121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27389 + ... + 27827.

It is an arithmetic number, because the mean of its divisors is an integer number (445500).

Almost surely, 212119912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12119912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14256000).

12119912 is an abundant number, since it is smaller than the sum of its proper divisors (16392088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12119912 is a wasteful number, since it uses less digits than its factorization.

12119912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 494 counting only the distinct ones).

The product of its digits is 324, while the sum is 26.

The square root of 12119912 is about 3481.3663984131. The cubic root of 12119912 is about 229.7029056290.

It can be divided in two parts, 12119 and 912, that added together give a palindrome (13031).

The spelling of 12119912 in words is "twelve million, one hundred nineteen thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 17 28 29 34 56 58 68 116 119 136 203 232 238 406 439 476 493 812 878 952 986 1624 1756 1972 3073 3451 3512 3944 6146 6902 7463 12292 12731 13804 14926 24584 25462 27608 29852 50924 52241 59704 89117 101848 104482 178234 208964 216427 356468 417928 432854 712936 865708 1514989 1731416 3029978 6059956 12119912