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12137030 = 255572179
BaseRepresentation
bin101110010011…
…001001000110
3211211121212122
4232103021012
511101341110
61112045542
7205106633
oct56231106
924747778
1012137030
11693a804
1240938b2
13268c499
14187d18a
1510eb255
hexb93246

12137030 has 16 divisors (see below), whose sum is σ = 21895920. Its totient is φ = 4843872.

The previous prime is 12137023. The next prime is 12137039. The reversal of 12137030 is 3073121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12137039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (1368495).

Almost surely, 212137030 is an apocalyptic number.

12137030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12137030 is a deficient number, since it is larger than the sum of its proper divisors (9758890).

12137030 is a wasteful number, since it uses less digits than its factorization.

12137030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 12137030 is about 3483.8240483698. The cubic root of 12137030 is about 229.8109978494.

The spelling of 12137030 in words is "twelve million, one hundred thirty-seven thousand, thirty".

Divisors: 1 2 5 10 557 1114 2179 2785 4358 5570 10895 21790 1213703 2427406 6068515 12137030