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12914772 = 2231382787
BaseRepresentation
bin110001010001…
…000001010100
3220022010201220
4301101001110
511301233042
61140450340
7214526253
oct61210124
926263656
1012914772
117321072
1243a99b0
1328a24a0
141a0279a
1512018ec
hexc51054

12914772 has 24 divisors (see below), whose sum is σ = 32452896. Its totient is φ = 3973728.

The previous prime is 12914771. The next prime is 12914777. The reversal of 12914772 is 27741921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12914771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41238 + ... + 41549.

It is an arithmetic number, because the mean of its divisors is an integer number (1352204).

Almost surely, 212914772 is an apocalyptic number.

12914772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12914772 is an abundant number, since it is smaller than the sum of its proper divisors (19538124).

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

12914772 is a wasteful number, since it uses less digits than its factorization.

12914772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82807 (or 82805 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 12914772 is about 3593.7128432862. The cubic root of 12914772 is about 234.6184967345.

The spelling of 12914772 in words is "twelve million, nine hundred fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 82787 165574 248361 331148 496722 993444 1076231 2152462 3228693 4304924 6457386 12914772