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12426996 = 2231377559
BaseRepresentation
bin101111011001…
…111011110100
3212101100122010
4233121323310
511140130441
61122204220
7210425211
oct57317364
925340563
1012426996
11701864a
1241b3670
13276146a
141916b08
151157116
hexbd9ef4

12426996 has 24 divisors (see below), whose sum is σ = 29211840. Its totient is φ = 4111552.

The previous prime is 12426991. The next prime is 12427027. The reversal of 12426996 is 69962421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 212426996 is an apocalyptic number.

It is an amenable number.

12426996 is an abundant number, since it is smaller than the sum of its proper divisors (16784844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12426996 is a wasteful number, since it uses less digits than its factorization.

12426996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703 (or 7701 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 12426996 is about 3525.1944627212. The cubic root of 12426996 is about 231.6267531833.

The spelling of 12426996 in words is "twelve million, four hundred twenty-six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 7559 15118 22677 30236 45354 90708 1035583 2071166 3106749 4142332 6213498 12426996