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12629390 = 251262939
BaseRepresentation
bin110000001011…
…010110001110
3212202122021012
4300023112032
511213120030
61130405222
7212230244
oct60132616
925678235
1012629390
117146714
124290812
132802617
14196a794
151197095
hexc0b58e

12629390 has 8 divisors (see below), whose sum is σ = 22732920. Its totient is φ = 5051752.

The previous prime is 12629387. The next prime is 12629411. The reversal of 12629390 is 9392621.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 631460 + ... + 631479.

It is an arithmetic number, because the mean of its divisors is an integer number (2841615).

Almost surely, 212629390 is an apocalyptic number.

12629390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12629390 is a deficient number, since it is larger than the sum of its proper divisors (10103530).

12629390 is a wasteful number, since it uses less digits than its factorization.

12629390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262946.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 12629390 is about 3553.7853058394. The cubic root of 12629390 is about 232.8774614002.

The spelling of 12629390 in words is "twelve million, six hundred twenty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 1262939 2525878 6314695 12629390