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12869924 = 223217481
BaseRepresentation
bin110001000110…
…000100100100
3220012212012212
4301012010210
511243314144
61135502552
7214251434
oct61060444
926185185
1012869924
1172a0401
124387a58
132887c52
1419d02c4
1511e349e
hexc46124

12869924 has 6 divisors (see below), whose sum is σ = 22522374. Its totient is φ = 6434960.

The previous prime is 12869893. The next prime is 12869933. The reversal of 12869924 is 42996821.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 1036324 = 3440^2 + 1018^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608737 + ... + 1608744.

It is an arithmetic number, because the mean of its divisors is an integer number (3753729).

Almost surely, 212869924 is an apocalyptic number.

It is an amenable number.

12869924 is a deficient number, since it is larger than the sum of its proper divisors (9652450).

12869924 is a wasteful number, since it uses less digits than its factorization.

12869924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217485 (or 3217483 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 12869924 is about 3587.4676305160. The cubic root of 12869924 is about 234.3466020467.

The spelling of 12869924 in words is "twelve million, eight hundred sixty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 3217481 6434962 12869924