Search a number
-
+
12920614 = 272314253
BaseRepresentation
bin110001010010…
…011100100110
3220022102202021
4301102130212
511301424424
61140533354
7214552300
oct61223446
926272667
1012920614
1173254a3
1243b125a
1328a5045
141a04970
1512034e4
hexc52726

12920614 has 24 divisors (see below), whose sum is σ = 23277888. Its totient is φ = 5357520.

The previous prime is 12920581. The next prime is 12920647. The reversal of 12920614 is 41602921.

It is an interprime number because it is at equal distance from previous prime (12920581) and next prime (12920647).

It is a super-2 number, since 2×129206142 = 333884532273992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (969912).

Almost surely, 212920614 is an apocalyptic number.

12920614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12920614 is a deficient number, since it is larger than the sum of its proper divisors (10357274).

12920614 is a wasteful number, since it uses less digits than its factorization.

12920614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12920614 is about 3594.5255597923. The cubic root of 12920614 is about 234.6538679781.

The spelling of 12920614 in words is "twelve million, nine hundred twenty thousand, six hundred fourteen".

Divisors: 1 2 7 14 31 49 62 98 217 434 1519 3038 4253 8506 29771 59542 131843 208397 263686 416794 922901 1845802 6460307 12920614