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12898369 = 111172579
BaseRepresentation
bin110001001101…
…000001000001
3220021022020101
4301031001001
511300221434
61140242401
7214430401
oct61150101
926238211
1012898369
11730a810
1243a0401
132897b93
1419da801
1511ebb14
hexc4d041

12898369 has 4 divisors (see below), whose sum is σ = 14070960. Its totient is φ = 11725780.

The previous prime is 12898363. The next prime is 12898373. The reversal of 12898369 is 96389821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12898369 - 213 = 12890177 is a prime.

It is a super-2 number, since 2×128983692 = 332735845720322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12898363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586279 + ... + 586300.

It is an arithmetic number, because the mean of its divisors is an integer number (3517740).

Almost surely, 212898369 is an apocalyptic number.

It is an amenable number.

12898369 is a deficient number, since it is larger than the sum of its proper divisors (1172591).

12898369 is a wasteful number, since it uses less digits than its factorization.

12898369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172590.

The product of its digits is 186624, while the sum is 46.

The square root of 12898369 is about 3591.4299380609. The cubic root of 12898369 is about 234.5191253157.

The spelling of 12898369 in words is "twelve million, eight hundred ninety-eight thousand, three hundred sixty-nine".

Divisors: 1 11 1172579 12898369