Search a number
-
+
12122396 = 22111321193
BaseRepresentation
bin101110001111…
…100100011100
3211210212210122
4232033210130
511100404041
61111454112
7205016156
oct56174434
924725718
1012122396
11692a810
124087338
132685920
141877ad6
1510e6c4b
hexb8f91c

12122396 has 24 divisors (see below), whose sum is σ = 24924144. Its totient is φ = 5086080.

The previous prime is 12122389. The next prime is 12122401. The reversal of 12122396 is 69322121.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10025 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (1038506).

Almost surely, 212122396 is an apocalyptic number.

It is an amenable number.

12122396 is an abundant number, since it is smaller than the sum of its proper divisors (12801748).

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

12122396 is a wasteful number, since it uses less digits than its factorization.

12122396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221 (or 21219 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 12122396 is about 3481.7231366092. The cubic root of 12122396 is about 229.7185972458.

The spelling of 12122396 in words is "twelve million, one hundred twenty-two thousand, three hundred ninety-six".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 21193 42386 84772 233123 275509 466246 551018 932492 1102036 3030599 6061198 12122396