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12949926 = 2311375303
BaseRepresentation
bin110001011001…
…100110100110
3220100220221220
4301121212212
511303344201
61141321210
7215033613
oct61314646
926326856
1012949926
117345520
124406206
1328b54a2
141a1150a
15120c036
hexc599a6

12949926 has 32 divisors (see below), whose sum is σ = 29023488. Its totient is φ = 3817440.

The previous prime is 12949919. The next prime is 12949927. The reversal of 12949926 is 62994921.

12949926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (906984).

Almost surely, 212949926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12949926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14511744).

12949926 is an abundant number, since it is smaller than the sum of its proper divisors (16073562).

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

12949926 is a wasteful number, since it uses less digits than its factorization.

12949926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356.

The product of its digits is 69984, while the sum is 42.

The square root of 12949926 is about 3598.6005613294. The cubic root of 12949926 is about 234.8311810014.

The spelling of 12949926 in words is "twelve million, nine hundred forty-nine thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2442 5303 10606 15909 31818 58333 116666 174999 196211 349998 392422 588633 1177266 2158321 4316642 6474963 12949926