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12934988 = 22111491973
BaseRepresentation
bin110001010101…
…111101001100
3220100011110122
4301111331030
511302404423
61141124112
7214642223
oct61257514
926304418
1012934988
117335280
1243b9638
1328ab751
141a09cba
1512078c8
hexc55f4c

12934988 has 24 divisors (see below), whose sum is σ = 24872400. Its totient is φ = 5837120.

The previous prime is 12934973. The next prime is 12935003. The reversal of 12934988 is 88943921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12934973) and next prime (12935003).

It is a Harshad number since it is a multiple of its sum of digits (44).

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 in 7 ways as a sum of consecutive naturals, for example, 5570 + ... + 7542.

It is an arithmetic number, because the mean of its divisors is an integer number (1036350).

Almost surely, 212934988 is an apocalyptic number.

It is an amenable number.

12934988 is a deficient number, since it is larger than the sum of its proper divisors (11937412).

12934988 is a wasteful number, since it uses less digits than its factorization.

12934988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2135 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 12934988 is about 3596.5244333940. The cubic root of 12934988 is about 234.7408520976.

The spelling of 12934988 in words is "twelve million, nine hundred thirty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 149 298 596 1639 1973 3278 3946 6556 7892 21703 43406 86812 293977 587954 1175908 3233747 6467494 12934988