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12869941 = 74144843
BaseRepresentation
bin110001000110…
…000100110101
3220012212020111
4301012010311
511243314231
61135503021
7214251460
oct61060465
926185214
1012869941
1172a0417
124387a71
132887c66
1419d02d7
1511e34b1
hexc46135

12869941 has 8 divisors (see below), whose sum is σ = 15067584. Its totient is φ = 10762080.

The previous prime is 12869933. The next prime is 12869951. The reversal of 12869941 is 14996821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12869941 - 23 = 12869933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12869894 and 12869903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869951) 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, 22135 + ... + 22708.

It is an arithmetic number, because the mean of its divisors is an integer number (1883448).

Almost surely, 212869941 is an apocalyptic number.

It is an amenable number.

12869941 is a deficient number, since it is larger than the sum of its proper divisors (2197643).

12869941 is an equidigital number, since it uses as much as digits as its factorization.

12869941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44891.

The product of its digits is 31104, while the sum is 40.

The square root of 12869941 is about 3587.4699998746. The cubic root of 12869941 is about 234.3467052302.

The spelling of 12869941 in words is "twelve million, eight hundred sixty-nine thousand, nine hundred forty-one".

Divisors: 1 7 41 287 44843 313901 1838563 12869941