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12420962 = 26210481
BaseRepresentation
bin101111011000…
…011101100010
3212101001100122
4233120131202
511134432322
61122120242
7210401501
oct57303542
925331318
1012420962
117014064
1241b0082
13275b7a8
141914838
151155442
hexbd8762

12420962 has 4 divisors (see below), whose sum is σ = 18631446. Its totient is φ = 6210480.

The previous prime is 12420923. The next prime is 12420973. The reversal of 12420962 is 26902421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 303601 = 3481^2 + 551^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105239 + ... + 3105242.

Almost surely, 212420962 is an apocalyptic number.

12420962 is a deficient number, since it is larger than the sum of its proper divisors (6210484).

12420962 is an equidigital number, since it uses as much as digits as its factorization.

12420962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210483.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12420962 is about 3524.3385194955. The cubic root of 12420962 is about 231.5892578761.

The spelling of 12420962 in words is "twelve million, four hundred twenty thousand, nine hundred sixty-two".

Divisors: 1 2 6210481 12420962